253 relations: Adenosine triphosphate, Alcohol, Alcoholism, Alkaline earth metal, Alloy wheel, Alpha particle, Aluminium, Aluminium alloy, Ancient Greek, Anode, Antacid, Antiseptic, Antoine Bussy, Arsenic, Atomic number, Autoignition temperature, Bath salts, Beverage can, Biomarker, BMW, BMW N52, Boeing B-29 Superfortress, Borate, Bradycardia, Brine, Bromide, Brucite, Calcination, Calcium, Calcium hydroxide, Calcium oxide, Calcium–aluminium-rich inclusion, Carbon, Carbon dioxide, Carbonaceous chondrite, Cardiac arrest, Carnallite, Cathode, Cement, Chelation, Chemical element, Chemistry World, Chevrolet, Chevrolet Corvette (C6), China, Chlorine, Chlorophyll, Circulatory system, Civil defense, Climbing, ..., Cobalt, Coma, Combustibility and flammability, Copper, Corrosion, Crankcase, Creep (deformation), Crust (geology), Crystallite, Diabetes mellitus type 2, Diarrhea, Die casting, Dietary Reference Intake, Dietary supplement, DNA, Dolomite, Dow process, Dry cell, Ductile iron, Eclampsia, Electrolysis, Electron, Elektron (alloy), Enzyme, Eye protection, Fasciculation, Fat, Feces, Fertilizer, Fire, Firebombing, Fireworks, Flare, Flash powder, Flashing (weatherproofing), Food, Forensic science, Formation and evolution of the Solar System, Furnace, Fuselage, Gadolinium, Galvanic anode, Gastrointestinal tract, Geology, Glass, Glasses, Grignard reaction, Growth medium, Gymnastics, Half-life, Haloalkane, Heart arrhythmia, Heme, Human body, Humphry Davy, Hydrate, Hydrochloric acid, Hydrogen, Hypermagnesemia, Hypomagnesemia, Hypotension, Intermetallic, Interstellar medium, Ion, Iron, Isochron dating, Isotope, Kidney, Kroll process, Laxative, Leaching (chemistry), Limestone, List of countries by magnesium production, Long QT syndrome, Lubricant, Magnalium, Magnesia (regional unit), Magnesite, Magnesium (medical use), Magnesium battery, Magnesium bromide, Magnesium carbonate, Magnesium chloride, Magnesium citrate, Magnesium deficiency (plants), Magnesium gluconate, Magnesium hydroxide, Magnesium injection cycle, Magnesium malate, Magnesium nitride, Magnesium oil, Magnesium orotate, Magnesium oxide, Magnesium phosphate, Magnesium salicylate, Magnesium stearate, Magnesium sulfate, Magnesium sulfite, Magnetite, Manganese, Mantle (geology), Megavitamin therapy, Mercedes-Benz, Mercedes-Benz 300 SLR, Mercury(II) oxide, Metabolic syndrome, Meteorite, Migraine, Mille Miglia, Mineral, Mineral-insulated copper-clad cable, Mischmetal, Mitsubishi Motors, Molar concentration, Nausea, Neuromuscular medicine, Nickel, Nitrogen, Non-ferrous metal, Nucleic acid, Nucleotide, Olivine, Olympic weightlifting, Organic synthesis, Oxidation state, Oxygen, Paper, Parenteral nutrition, Passivation (chemistry), Periodic table, Periodic Videos, Pharmacology, Phosphate, Photoengraving, Photography, Photosynthesis, Phytic acid, Pidgeon process, Plant, Poison, Polyphosphate, Porphyrin, Porsche, Porsche 917, Potassium, Powder, Pre-eclampsia, Precipitation (chemistry), Primary cell, Properties of water, Pyrotechnics, Radiogenic nuclide, Rechargeable battery, Refractory, Renco Group, Respiratory system, Retina, RNA, Royal Society of Chemistry, Salt (chemistry), Sand, Scandium, Seawater, Sedative, Semi-automatic transmission, Silicon, Silicothermic reaction, Skeleton, Sodium, Solar System, Spinach, Star, Steel, Sulfite process, Sulfur, Supernova, Tablet (pharmacy), Tablet computer, Talc, Tarnish, Textile, Therapy, Thermite, Thessaly, Titanium, Tonne, Torsades de pointes, Ultraviolet, United Kingdom, United States, United States Department of Energy, Uranium, Urinary system, Utah, Vitamin C, Volkswagen Group, Vomiting, World War II, Wright Aeronautical, Wright R-3350 Duplex-Cyclone, Yttria-stabilized zirconia, Zinc, 24 Hours of Le Mans. Expand index (203 more) » « Shrink index
Adenosine triphosphate (ATP) is a complex organic chemical that participates in many processes.
In chemistry, an alcohol is any organic compound in which the hydroxyl functional group (–OH) is bound to a carbon.
Alcoholism, also known as alcohol use disorder (AUD), is a broad term for any drinking of alcohol that results in mental or physical health problems.
The alkaline earth metals are six chemical elements in group 2 of the periodic table.
In the automotive industry, alloy wheels are wheels that are made from an alloy of aluminium or magnesium.
Alpha particles consist of two protons and two neutrons bound together into a particle identical to a helium-4 nucleus.
Aluminium or aluminum is a chemical element with symbol Al and atomic number 13.
Aluminium alloys (or aluminum alloys; see spelling differences) are alloys in which aluminium (Al) is the predominant metal.
The Ancient Greek language includes the forms of Greek used in ancient Greece and the ancient world from around the 9th century BC to the 6th century AD.
An anode is an electrode through which the conventional current enters into a polarized electrical device.
An antacid is a substance which neutralizes stomach acidity and is used to relieve heartburn, indigestion or an upset stomach.
Antiseptics (from Greek ἀντί anti, "against" and σηπτικός sēptikos, "putrefactive") are antimicrobial substances that are applied to living tissue/skin to reduce the possibility of infection, sepsis, or putrefaction.
Antoine Alexandre Brutus Bussy (29 May 1794, Marseille – 1 February 1882, Paris) was a French chemist who primarily studied pharmaceuticals.
Arsenic is a chemical element with symbol As and atomic number 33.
The atomic number or proton number (symbol Z) of a chemical element is the number of protons found in the nucleus of an atom.
The autoignition temperature or kindling point of a substance is the lowest temperature at which it spontaneously ignites in normal atmosphere without an external source of ignition, such as a flame or spark.
Bath salts are water-soluble, pulverised minerals that are added to water to be used for bathing.
A beverage can is a metal container designed to hold a fixed portion of liquid such as carbonated soft drinks, alcoholic beverages, fruit juices, teas, herbal teas, energy drinks, etc.
A biomarker, or biological marker, generally refers to a measurable indicator of some biological state or condition.
BMW (Bayerische Motoren Werke in German, or Bavarian Motor Works in English) is a German multinational company which currently produces luxury automobiles and motorcycles, and also produced aircraft engines until 1945.
The BMW N52 is a naturally aspirated straight-6 petrol engine which was produced from 2004-2015.
The Boeing B-29 Superfortress is a four-engine propeller-driven heavy bomber designed by Boeing, which was flown primarily by the United States during World War II and the Korean War.
Borates are the name for a large number of boron-containing oxyanions.
Bradycardia is a condition wherein an individual has a very slow heart rate, typically defined as a resting heart rate of under 60 beats per minute (BPM) in adults.
Brine is a high-concentration solution of salt (usually sodium chloride) in water.
A bromide is a chemical compound containing a bromide ion or ligand.
Brucite is the mineral form of magnesium hydroxide, with the chemical formula Mg(OH)2.
The IUPAC defines calcination as "heating to high temperatures in air or oxygen".
Calcium is a chemical element with symbol Ca and atomic number 20.
Calcium hydroxide (traditionally called slaked lime) is an inorganic compound with the chemical formula Ca(OH)2.
Calcium oxide (CaO), commonly known as quicklime or burnt lime, is a widely used chemical compound.
A calcium–aluminium-rich inclusion or Ca–Al-rich inclusion (CAI) is a submillimeter- to centimeter-sized light-colored calcium- and aluminium-rich inclusion found in carbonaceous chondrite meteorites.
Carbon (from carbo "coal") is a chemical element with symbol C and atomic number 6.
Carbon dioxide (chemical formula) is a colorless gas with a density about 60% higher than that of dry air.
Carbonaceous chondrites or C chondrites are a class of chondritic meteorites comprising at least 8 known groups and many ungrouped meteorites.
Cardiac arrest is a sudden loss of blood flow resulting from the failure of the heart to effectively pump.
Carnallite (also carnalite) is an evaporite mineral, a hydrated potassium magnesium chloride with formula KMgCl3·6(H2O).
A cathode is the electrode from which a conventional current leaves a polarized electrical device.
A cement is a binder, a substance used for construction that sets, hardens and adheres to other materials, binding them together.
Chelation is a type of bonding of ions and molecules to metal ions.
A chemical element is a species of atoms having the same number of protons in their atomic nuclei (that is, the same atomic number, or Z).
Chemistry World is a monthly chemistry news magazine published by the Royal Society of Chemistry.
Chevrolet, colloquially referred to as Chevy and formally the Chevrolet Division of General Motors Company, is an American automobile division of the American manufacturer General Motors (GM).
The Chevrolet Corvette (C6) is a sports car that was produced by Chevrolet division of General Motors for the 2005 to 2013 model years.
China, officially the People's Republic of China (PRC), is a unitary one-party sovereign state in East Asia and the world's most populous country, with a population of around /1e9 round 3 billion.
Chlorine is a chemical element with symbol Cl and atomic number 17.
Chlorophyll (also chlorophyl) is any of several related green pigments found in cyanobacteria and the chloroplasts of algae and plants.
The circulatory system, also called the cardiovascular system or the vascular system, is an organ system that permits blood to circulate and transport nutrients (such as amino acids and electrolytes), oxygen, carbon dioxide, hormones, and blood cells to and from the cells in the body to provide nourishment and help in fighting diseases, stabilize temperature and pH, and maintain homeostasis.
Civil defense or civil protection is an effort to protect the citizens of a state (generally non-combatants) from military attacks and natural disasters.
Climbing is the activity of using one's hands, feet, or any other part of the body to ascend a steep object.
Cobalt is a chemical element with symbol Co and atomic number 27.
Coma is a state of unconsciousness in which a person cannot be awaken; fails to respond normally to painful stimuli, light, or sound; lacks a normal wake-sleep cycle; and does not initiate voluntary actions.
Flammable materials are those that ignite more easily than other materials, whereas those that are harder to ignite or burn less vigorously are combustible.
Copper is a chemical element with symbol Cu (from cuprum) and atomic number 29.
Corrosion is a natural process, which converts a refined metal to a more chemically-stable form, such as its oxide, hydroxide, or sulfide.
A crankcase is the housing for the crankshaft in a reciprocating internal combustion engine.
In materials science, creep (sometimes called cold flow) is the tendency of a solid material to move slowly or deform permanently under the influence of mechanical stresses.
In geology, the crust is the outermost solid shell of a rocky planet, dwarf planet, or natural satellite.
A crystallite is a small or even microscopic crystal which forms, for example, during the cooling of many materials.
Diabetes mellitus type 2 (also known as type 2 diabetes) is a long-term metabolic disorder that is characterized by high blood sugar, insulin resistance, and relative lack of insulin.
Diarrhea, also spelled diarrhoea, is the condition of having at least three loose or liquid bowel movements each day.
Die casting is a metal casting process that is characterized by forcing molten metal under high pressure into a mold cavity.
The Dietary Reference Intake (DRI) is a system of nutrition recommendations from the Institute of Medicine (IOM) of the National Academies (United States).
A dietary supplement is a manufactured product intended to supplement the diet when taken by mouth as a pill, capsule, tablet, or liquid.
Deoxyribonucleic acid (DNA) is a thread-like chain of nucleotides carrying the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses.
Dolomite is an anhydrous carbonate mineral composed of calcium magnesium carbonate, ideally The term is also used for a sedimentary carbonate rock composed mostly of the mineral dolomite.
The Dow process is the electrolytic method of bromine extraction from brine, and was Herbert Henry Dow's second revolutionary process for generating bromine commercially.
A dry cell is a type of battery, commonly used for portable electrical devices.
Ductile iron, also known as ductile cast iron, nodular cast iron, spheroidal graphite iron, spheroidal graphite cast iron and SG iron, is a type of graphite-rich cast iron discovered in 1943 by Keith Millis.
Eclampsia is the onset of seizures (convulsions) in a woman with pre-eclampsia.
In chemistry and manufacturing, electrolysis is a technique that uses a direct electric current (DC) to drive an otherwise non-spontaneous chemical reaction.
The electron is a subatomic particle, symbol or, whose electric charge is negative one elementary charge.
Elektron is the registered trademark of a wide range of magnesium alloys manufactured by a British company Magnesium Elektron Limited.
Enzymes are macromolecular biological catalysts.
Eye protection is protective gear for the eyes, which comes in many types depending upon the threat that is to be reduced.
A fasciculation, or muscle twitch, is a small, local, involuntary muscle contraction and relaxation which may be visible under the skin.
Fat is one of the three main macronutrients, along with carbohydrate and protein.
Feces (or faeces) are the solid or semisolid remains of the food that could not be digested in the small intestine.
A fertilizer (American English) or fertiliser (British English; see spelling differences) is any material of natural or synthetic origin (other than liming materials) that is applied to soils or to plant tissues to supply one or more plant nutrients essential to the growth of plants.
Fire is the rapid oxidation of a material in the exothermic chemical process of combustion, releasing heat, light, and various reaction products.
Firebombing is a bombing technique designed to damage a target, generally an urban area, through the use of fire, caused by incendiary devices, rather than from the blast effect of large bombs.
Fireworks are a class of low explosive pyrotechnic devices used for aesthetic and entertainment purposes.
A flare, also sometimes called a fusee, is a type of pyrotechnic that produces a brilliant light or intense heat without an explosion.
Flash powder is a pyrotechnic composition, a mixture of oxidizer and metallic fuel, which burns quickly and if confined produces a loud report.
Flashing refers to thin pieces of impervious material installed to prevent the passage of water into a structure from a joint or as part of a ''weather resistant barrier'' (WRB) system.
Food is any substance consumed to provide nutritional support for an organism.
Forensic science is the application of science to criminal and civil laws, mainly—on the criminal side—during criminal investigation, as governed by the legal standards of admissible evidence and criminal procedure.
The formation and evolution of the Solar System began 4.6 billion years ago with the gravitational collapse of a small part of a giant molecular cloud.
A furnace is a device used for high-temperature heating.
The fuselage (from the French fuselé "spindle-shaped") is an aircraft's main body section.
Gadolinium is a chemical element with symbol Gd and atomic number 64.
A galvanic anode is the main component of a galvanic cathodic protection (CP) system used to protect buried or submerged metal structures from corrosion.
The gastrointestinal tract (digestive tract, digestional tract, GI tract, GIT, gut, or alimentary canal) is an organ system within humans and other animals which takes in food, digests it to extract and absorb energy and nutrients, and expels the remaining waste as feces.
Geology (from the Ancient Greek γῆ, gē, i.e. "earth" and -λoγία, -logia, i.e. "study of, discourse") is an earth science concerned with the solid Earth, the rocks of which it is composed, and the processes by which they change over time.
Glass is a non-crystalline amorphous solid that is often transparent and has widespread practical, technological, and decorative usage in, for example, window panes, tableware, and optoelectronics.
Glasses, also known as eyeglasses or spectacles, are devices consisting of glass or hard plastic lenses mounted in a frame that holds them in front of a person's eyes, typically using a bridge over the nose and arms which rest over the ears.
The Grignard reaction (pronounced) is an organometallic chemical reaction in which alkyl, vinyl, or aryl-magnesium halides (Grignard reagents) add to a carbonyl group in an aldehyde or ketone.
A growth medium or culture medium is a solid, liquid or semi-solid designed to support the growth of microorganisms or cells, or small plants like the moss Physcomitrella patens.
Gymnastics is a sport that requires balance, strength, flexibility, agility, coordination, and endurance.
Half-life (symbol t1⁄2) is the time required for a quantity to reduce to half its initial value.
The haloalkanes (also known as halogenoalkanes or alkyl halides) are a group of chemical compounds derived from alkanes containing one or more halogens.
Heart arrhythmia (also known as arrhythmia, dysrhythmia, or irregular heartbeat) is a group of conditions in which the heartbeat is irregular, too fast, or too slow.
Heme or haem is a coordination complex "consisting of an iron ion coordinated to a porphyrin acting as a tetradentate ligand, and to one or two axial ligands." The definition is loose, and many depictions omit the axial ligands.
The human body is the entire structure of a human being.
Sir Humphry Davy, 1st Baronet (17 December 177829 May 1829) was a Cornish chemist and inventor, who is best remembered today for isolating, using electricity, a series of elements for the first time: potassium and sodium in 1807 and calcium, strontium, barium, magnesium and boron the following year, as well as discovering the elemental nature of chlorine and iodine.
In chemistry, a hydrate is a substance that contains water or its constituent elements.
Hydrochloric acid is a colorless inorganic chemical system with the formula.
Hydrogen is a chemical element with symbol H and atomic number 1.
Hypermagnesemia is an electrolyte disturbance in which there is a high level of magnesium in the blood.
Hypomagnesemia, also spelled hypomagnesaemia, is an electrolyte disturbance in which there is a low level of magnesium in the blood.
Hypotension is low blood pressure, especially in the arteries of the systemic circulation.
An intermetallic (also called an intermetallic compound, intermetallic alloy, ordered intermetallic alloy, and a long-range-ordered alloy) is a solid-state compound exhibiting metallic bonding, defined stoichiometry and ordered crystal structure.
In astronomy, the interstellar medium (ISM) is the matter and radiation that exists in the space between the star systems in a galaxy.
An ion is an atom or molecule that has a non-zero net electrical charge (its total number of electrons is not equal to its total number of protons).
Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.
Isochron dating is a common technique of radiometric dating and is applied to date certain events, such as crystallization, metamorphism, shock events, and differentiation of precursor melts, in the history of rocks.
Isotopes are variants of a particular chemical element which differ in neutron number.
The kidneys are two bean-shaped organs present in left and right sides of the body in vertebrates.
The Kroll process is a pyrometallurgical industrial process used to produce metallic titanium.
Laxatives, purgatives, or aperients are substances that loosen stools and increase bowel movements.
Leaching is the process of extracting substances from a solid by dissolving them in a liquid, either naturally or through an industrial process.
Limestone is a sedimentary rock, composed mainly of skeletal fragments of marine organisms such as coral, forams and molluscs.
This is a list of countries by magnesite production in 2014 based on United States Geological Survey figures.
Long QT syndrome (LQTS) is a condition which affects repolarization of the heart after a heartbeat.
A lubricant is a substance, usually organic, introduced to reduce friction between surfaces in mutual contact, which ultimately reduces the heat generated when the surfaces move.
Magnalium is an aluminium alloy with 5% Magnesium & 95% aluminum.
Magnesia (Μαγνησία, Magnisía), deriving from the tribe name Magnetes, is one of the regional units of Greece.
Magnesite is a mineral with the chemical formula MgCO3 (magnesium carbonate).
Magnesium salts are available as a medication in a number of formulations.
Magnesium batteries are batteries with magnesium as the active element at the anode of an electrochemical cell.
Magnesium bromide (MgBr2) is a chemical compound of magnesium and bromine that is white and deliquescent.
Magnesium carbonate, MgCO3 (archaic name magnesia alba), is an inorganic salt that is a white solid.
Magnesium chloride is the name for the chemical compound with the formula MgCl2 and its various hydrates MgCl2(H2O)x.
Magnesium citrate is a magnesium preparation in salt form with citric acid in a 1:1 ratio (1 magnesium atom per citrate molecule).
Magnesium (Mg) deficiency is a detrimental plant disorder that occurs most often in strongly acidic, light, sandy soils, where magnesium can be easily leached away.
Magnesium gluconate is a compound with formula MgC12H22O14.
Magnesium hydroxide is the inorganic compound with the chemical formula Mg(OH)2.
Magnesium Injection Cycle (MAGIC) is an engine design under development by Mitsubishi Corporation and the Tokyo Institute of Technology that uses magnesium and water to generate power.
Magnesium malate, the magnesium salt of malic acid, is a mineral supplement often used for nutritional concerns.
Magnesium nitride, which possesses the chemical formula Mg3N2, is an inorganic compound of magnesium and nitrogen.
Magnesium oil (also referred to as transdermal magnesium) is a mixture of Magnesium chloride in water.
Magnesium orotate, the magnesium salt of orotic acid, is a mineral supplement.
Magnesium oxide (MgO), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium (see also oxide).
Magnesium phosphate is a general term for salts of magnesium and phosphate appearing in several forms.
Magnesium salicylate is a common analgesic and nonsteroidal anti-inflammatory drug (NSAID) used to treat mild to moderate muscular pain.
Magnesium stearate is the chemical compound with the formula.
Magnesium sulfate is an inorganic salt with the formula MgSO4(H2O)x where 0≤x≤7.
Magnesium sulfite is the magnesium salt of sulfurous acid with the formula.
Magnetite is a rock mineral and one of the main iron ores, with the chemical formula Fe3O4.
Manganese is a chemical element with symbol Mn and atomic number 25.
The mantle is a layer inside a terrestrial planet and some other rocky planetary bodies.
Megavitamin therapy is the use of large doses of vitamins, often many times greater than the recommended dietary allowance (RDA) in the attempt to prevent or treat diseases.
Mercedes-Benz is a global automobile marque and a division of the German company Daimler AG.
The Mercedes-Benz 300 SLR (W196S) was an iconic 2-seat sports racer that took sportscar racing by storm in 1955, winning that year's World Sportscar Championship before a catastrophic crash and fire at Le Mans ended its domination prematurely.
Mercury(II) oxide, also called mercuric oxide or simply mercury oxide, has a formula of HgO.
Metabolic syndrome, sometimes known by other names, is a clustering of at least three of the five following medical conditions: abdominal obesity, high blood pressure, high blood sugar, high serum triglycerides and low high-density lipoprotein (HDL) levels.
A meteorite is a solid piece of debris from an object, such as a comet, asteroid, or meteoroid, that originates in outer space and survives its passage through the atmosphere to reach the surface of a planet or moon.
A migraine is a primary headache disorder characterized by recurrent headaches that are moderate to severe.
The Mille Miglia (Thousand Miles) was an open-road endurance race which took place in Italy twenty-four times from 1927 to 1957 (thirteen before the war, eleven from 1947).
A mineral is a naturally occurring chemical compound, usually of crystalline form and not produced by life processes.
Mineral-insulated copper-clad cable is a variety of electrical cable made from copper conductors inside a copper sheath, insulated by inorganic magnesium oxide powder.
Mischmetal (from Mischmetall – "mixed metal") is an alloy of rare-earth elements.
is a Japanese multinational automotive manufacturer headquartered in Minato, Tokyo, Japan.
Molar concentration (also called molarity, amount concentration or substance concentration) is a measure of the concentration of a chemical species, in particular of a solute in a solution, in terms of amount of substance per unit volume of solution.
Nausea or queasiness is an unpleasant sense of unease, discomfort, and revulsion towards food.
The field of neuromuscular medicine is subspecialty of neurology and physical medicine and rehabilitation.
Nickel is a chemical element with symbol Ni and atomic number 28.
Nitrogen is a chemical element with symbol N and atomic number 7.
In metallurgy, a non-ferrous metal is a metal, including alloys, that does not contain iron (ferrite) in appreciable amounts.
Nucleic acids are biopolymers, or small biomolecules, essential to all known forms of life.
Nucleotides are organic molecules that serve as the monomer units for forming the nucleic acid polymers deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), both of which are essential biomolecules within all life-forms on Earth.
The mineral olivine is a magnesium iron silicate with the formula (Mg2+, Fe2+)2SiO4.
Weightlifting, also called '''Olympic-style weightlifting''', or Olympic weightlifting, is an athletic discipline in the modern Olympic programme in which the athlete attempts a maximum-weight single lift of a barbell loaded with weight plates.
Organic synthesis is a special branch of chemical synthesis and is concerned with the intentional construction of organic compounds.
The oxidation state, sometimes referred to as oxidation number, describes degree of oxidation (loss of electrons) of an atom in a chemical compound.
Oxygen is a chemical element with symbol O and atomic number 8.
Paper is a thin material produced by pressing together moist fibres of cellulose pulp derived from wood, rags or grasses, and drying them into flexible sheets.
Total parenteral nutrition (PN) is the feeding of a person intravenously, bypassing the usual process of eating and digestion.
Passivation, in physical chemistry and engineering, refers to a material becoming "passive," that is, less affected or corroded by the environment of future use.
The periodic table is a tabular arrangement of the chemical elements, ordered by their atomic number, electron configuration, and recurring chemical properties, whose structure shows periodic trends.
The Periodic Table of Videos (usually shortened to Periodic Videos) is a series of videos about chemical elements and the periodic table.
Pharmacology is the branch of biology concerned with the study of drug action, where a drug can be broadly defined as any man-made, natural, or endogenous (from within body) molecule which exerts a biochemical or physiological effect on the cell, tissue, organ, or organism (sometimes the word pharmacon is used as a term to encompass these endogenous and exogenous bioactive species).
A phosphate is chemical derivative of phosphoric acid.
Photoengraving is a process that uses a light-sensitive photoresist applied to the surface to be engraved to create a mask that shields some areas during a subsequent operation which etches, dissolves, or otherwise removes some or all of the material from the unshielded areas.
Photography is the science, art, application and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor, or chemically by means of a light-sensitive material such as photographic film.
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities (energy transformation).
Phytic acid (known as inositol hexakisphosphate (IP6), inositol polyphosphate, or phytate when in salt form), discovered in 1903, a saturated cyclic acid, is the principal storage form of phosphorus in many plant tissues, especially bran and seeds.
The Pidgeon process is one of the methods of magnesium metal production, via a silicothermic reduction.
Plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae.
In biology, poisons are substances that cause disturbances in organisms, usually by chemical reaction or other activity on the molecular scale, when an organism absorbs a sufficient quantity.
Polyphosphates are salts or esters of polymeric oxyanions formed from tetrahedral PO4 (phosphate) structural units linked together by sharing oxygen atoms.
Porphyrins (/phɔɹfɚɪn/ ''POUR-fer-in'') are a group of heterocyclic macrocycle organic compounds, composed of four modified pyrrole subunits interconnected at their α carbon atoms via methine bridges (.
The Porsche 917 is a sports prototype race car developed by German manufacturer Porsche.
Potassium is a chemical element with symbol K (from Neo-Latin kalium) and atomic number 19.
A powder is a dry, bulk solid composed of a large number of very fine particles that may flow freely when shaken or tilted.
Pre-eclampsia (PE) is a disorder of pregnancy characterized by the onset of high blood pressure and often a significant amount of protein in the urine.
Precipitation is the creation of a solid from a solution.
A primary cell is a battery that is designed to be used once and discarded, and not recharged with electricity and reused like a secondary cell (rechargeable battery).
Water is a polar inorganic compound that is at room temperature a tasteless and odorless liquid, which is nearly colorless apart from an inherent hint of blue. It is by far the most studied chemical compound and is described as the "universal solvent" and the "solvent of life". It is the most abundant substance on Earth and the only common substance to exist as a solid, liquid, and gas on Earth's surface. It is also the third most abundant molecule in the universe. Water molecules form hydrogen bonds with each other and are strongly polar. This polarity allows it to separate ions in salts and strongly bond to other polar substances such as alcohols and acids, thus dissolving them. Its hydrogen bonding causes its many unique properties, such as having a solid form less dense than its liquid form, a relatively high boiling point of 100 °C for its molar mass, and a high heat capacity. Water is amphoteric, meaning that it is both an acid and a base—it produces + and - ions by self-ionization.
Pyrotechnics is the science of using materials capable of undergoing self-contained and self-sustained exothermic chemical reactions for the production of heat, light, gas, smoke and/or sound.
A radiogenic nuclide is a nuclide that is produced by a process of radioactive decay.
A rechargeable battery, storage battery, secondary cell, or accumulator is a type of electrical battery which can be charged, discharged into a load, and recharged many times, as opposed to a disposable or primary battery, which is supplied fully charged and discarded after use.
A refractory mineral is a mineral that is resistant to decomposition by heat, pressure, or chemical attack.
Renco Group is a New York City-based holding company controlled by Ira Rennert that invests in other companies across a range of industries.
The respiratory system (also respiratory apparatus, ventilatory system) is a biological system consisting of specific organs and structures used for gas exchange in animals and plants.
The retina is the innermost, light-sensitive "coat", or layer, of shell tissue of the eye of most vertebrates and some molluscs.
Ribonucleic acid (RNA) is a polymeric molecule essential in various biological roles in coding, decoding, regulation, and expression of genes.
The Royal Society of Chemistry (RSC) is a learned society (professional association) in the United Kingdom with the goal of "advancing the chemical sciences".
In chemistry, a salt is an ionic compound that can be formed by the neutralization reaction of an acid and a base.
Sand is a naturally occurring granular material composed of finely divided rock and mineral particles.
Scandium is a chemical element with symbol Sc and atomic number 21.
Seawater, or salt water, is water from a sea or ocean.
A sedative or tranquilliser is a substance that induces sedation by reducing irritability or excitement.
A semi-automatic transmission (also known as a clutch-less manual transmission, auto-manual, automated manual transmission, trigger shift, flappy-paddle gear shift, Manumatic, Tiptronic, Touchshift, Geartronic, Sportronic or paddle-shift gearbox) is an automobile transmission that combines manual transmission and automatic transmission.
Silicon is a chemical element with symbol Si and atomic number 14.
Silicothermic reactions are thermic chemical reactions using silicon as the reducing agent at high temperature (800-1400°C).
The skeleton is the body part that forms the supporting structure of an organism.
Sodium is a chemical element with symbol Na (from Latin natrium) and atomic number 11.
The Solar SystemCapitalization of the name varies.
Spinach (Spinacia oleracea) is an edible flowering plant in the family Amaranthaceae native to central and western Asia.
A star is type of astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.
Steel is an alloy of iron and carbon and other elements.
The sulfite process produces wood pulp which is almost pure cellulose fibers by using various salts of sulfurous acid to extract the lignin from wood chips in large pressure vessels called digesters.
Sulfur or sulphur is a chemical element with symbol S and atomic number 16.
A supernova (plural: supernovae or supernovas, abbreviations: SN and SNe) is a transient astronomical event that occurs during the last stellar evolutionary stages of a star's life, either a massive star or a white dwarf, whose destruction is marked by one final, titanic explosion.
A tablet is a pharmaceutical dosage form.
A tablet computer, commonly shortened to tablet, is a portable personal computer, typically with a mobile operating system and LCD touchscreen display processing circuitry, and a rechargeable battery in a single thin, flat package.
Talc or talcum is a clay mineral composed of hydrated magnesium silicate with the chemical formula H2Mg3(SiO3)4 or Mg3Si4O10(OH)2.
Tarnish is a thin layer of corrosion that forms over copper, brass, silver, aluminum, magnesium, neodymium and other similar metals as their outermost layer undergoes a chemical reaction.
A textile is a flexible material consisting of a network of natural or artificial fibres (yarn or thread).
Therapy (often abbreviated tx, Tx, or Tx) is the attempted remediation of a health problem, usually following a diagnosis.
Thermite is a pyrotechnic composition of metal powder, which serves as fuel, and metal oxide.
Thessaly (Θεσσαλία, Thessalía; ancient Thessalian: Πετθαλία, Petthalía) is a traditional geographic and modern administrative region of Greece, comprising most of the ancient region of the same name.
Titanium is a chemical element with symbol Ti and atomic number 22.
The tonne (Non-SI unit, symbol: t), commonly referred to as the metric ton in the United States, is a non-SI metric unit of mass equal to 1,000 kilograms;.
Torsades de pointes or torsade depointes (TdP or simply torsade(s)) (translated as "twisting of the points"), is a specific type of abnormal heart rhythm that can lead to sudden cardiac death.
Ultraviolet (UV) is electromagnetic radiation with a wavelength from 10 nm to 400 nm, shorter than that of visible light but longer than X-rays.
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.
The United States Department of Energy (DOE) is a cabinet-level department of the United States Government concerned with the United States' policies regarding energy and safety in handling nuclear material.
Uranium is a chemical element with symbol U and atomic number 92.
The urinary system, also known as the renal system or urinary tract, consists of the kidneys, ureters, bladder, and the urethra.
Utah is a state in the western United States.
Vitamin C, also known as ascorbic acid and L-ascorbic acid, is a vitamin found in food and used as a dietary supplement.
Volkswagen AG, known internationally as the Volkswagen Group, is a German multinational automotive manufacturing company headquartered in Wolfsburg, Lower Saxony, Germany.
Vomiting, also known as emesis, puking, barfing, throwing up, among other terms, is the involuntary, forceful expulsion of the contents of one's stomach through the mouth and sometimes the nose.
World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.
Wright Aeronautical (1919–1929) was an American aircraft manufacturer headquartered in New Jersey.
The Wright R-3350 Duplex-Cyclone was one of the most powerful radial aircraft engines produced in the United States.
Yttria-stabilized zirconia (YSZ) is a ceramic in which the crystal structure of zirconium dioxide is made stable at room temperature by an addition of yttrium oxide.
Zinc is a chemical element with symbol Zn and atomic number 30.
The 24 Hours of Le Mans (24 Heures du Mans) is the world's oldest active sports car race in endurance racing, held annually since near the town of Le Mans, France.