116 relations: Acetone, Acid–base reaction, Acronym, Alkali metal, Alkoxide, Aluminium, Ammonia, Angewandte Chemie, Aniline, Azide, Band gap, Benzene, Bisulfide, Borane, Boron trifluoride, Bromide, Caesium, Carbocation, Carbon dioxide, Carbon monoxide, Carbonate, Carboxylate, Catalyst poisoning, Chemical compound, Chemical potential, Chemical reaction, Chemical species, Chemistry, Chi (letter), Chloranil, Chloride, Chromium, Cobalt, Coordination complex, Covalent bond, Cyanide, Dimethyl sulfoxide, ECW model, Electron affinity, Electronegativity, Electronvolt, Enthalpy, Equilibrium constant, Eta, Ferrous, Finite difference, Fluoride, Gold, Halogen, HOMO/LUMO, ..., Hydrazine, Hydride, Hydrogen, Hydrogen fluoride, Hydronium, Hydroxide, Hydroxy group, Infinity, Inorganic chemistry, International Union of Pure and Applied Chemistry, Iodine, Ionic bonding, Ionization energy, Journal of Chemical Education, Journal of the American Chemical Society, Kolbe nitrile synthesis, Lanthanide, Lanthanum, Lead, Lewis acids and bases, Ligand, Lithium, Ludwig Maximilian University of Munich, Mercury (element), Mercury polycations, Metal, Methane, Methylmercury, Nathan Kornblum, Nitrate, Nitrite, Nitrogen, Nucleophile, Orbital overlap, Organic chemistry, Oxidation state, Oxophilicity, Palladium, Phosphine, Platinum, Polarizability, Protic solvent, Pyridine, Ralph Pearson, Reaction mechanism, Robert Parr, Salt metathesis reaction, Scandium, Silver, SN1 reaction, SN2 reaction, Sodium, Solvation, Solvent, Sulfate, Sulfur dioxide, Thallium, Thiocyanate, Thiol, Thorium, Titanium, Transition metal, Trimethylborane, Uranium, Water, Zinc. Expand index (66 more) »
Acetone
Acetone (systematically named propanone) is the organic compound with the formula (CH3)2CO.
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Acid–base reaction
An acid–base reaction is a chemical reaction that occurs between an acid and a base, which can be used to determine pH.
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Acronym
An acronym is a word or name formed as an abbreviation from the initial components in a phrase or a word, usually individual letters (as in NATO or laser) and sometimes syllables (as in Benelux).
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Alkali metal
The alkali metals are a group (column) in the periodic table consisting of the chemical elements lithium (Li), sodium (Na), potassium (K),The symbols Na and K for sodium and potassium are derived from their Latin names, natrium and kalium; these are still the names for the elements in some languages, such as German and Russian.
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Alkoxide
An alkoxide is the conjugate base of an alcohol and therefore consists of an organic group bonded to a negatively charged oxygen atom.
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Aluminium
Aluminium or aluminum is a chemical element with symbol Al and atomic number 13.
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Ammonia
Ammonia is a compound of nitrogen and hydrogen with the formula NH3.
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Angewandte Chemie
Angewandte Chemie (meaning "Applied Chemistry") is a weekly peer-reviewed scientific journal that is published by Wiley-VCH on behalf of the German Chemical Society (Gesellschaft Deutscher Chemiker).
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Aniline
Aniline is an organic compound with the formula C6H5NH2.
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Azide
Azide is the anion with the formula N. It is the conjugate base of hydrazoic acid (HN3).
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Band gap
In solid-state physics, a band gap, also called an energy gap or bandgap, is an energy range in a solid where no electron states can exist.
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Benzene
Benzene is an important organic chemical compound with the chemical formula C6H6.
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Bisulfide
Bisulfide (systematically named sulfanide and hydrogen(sulfide)(1−)) is an inorganic anion with the chemical formula HS− (also written as SH−).
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Borane
Borane (systematically named trihydridoboron), also called borine, is an inorganic compound with the chemical formula.
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Boron trifluoride
Boron trifluoride is the inorganic compound with the formula BF3.
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Bromide
A bromide is a chemical compound containing a bromide ion or ligand.
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Caesium
Caesium (British spelling and IUPAC spelling) or cesium (American spelling) is a chemical element with symbol Cs and atomic number 55.
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Carbocation
A carbocation (/karbɔkətaɪː'jɔ̃/) is an ion with a positively charged carbon atom.
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Carbon dioxide
Carbon dioxide (chemical formula) is a colorless gas with a density about 60% higher than that of dry air.
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Carbon monoxide
Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that is slightly less dense than air.
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Carbonate
In chemistry, a carbonate is a salt of carbonic acid (H2CO3), characterized by the presence of the carbonate ion, a polyatomic ion with the formula of.
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Carboxylate
A carboxylate is a salt or ester of a carboxylic acid.
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Catalyst poisoning
Catalyst poisoning refers to the partial or total deactivation of a catalyst.
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Chemical compound
A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) composed of atoms from more than one element held together by chemical bonds.
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Chemical potential
In thermodynamics, chemical potential of a species is a form of energy that can be absorbed or released during a chemical reaction or phase transition due to a change of the particle number of the given species.
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Chemical reaction
A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.
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Chemical species
A chemical species is a chemical substance or ensemble composed of chemically identical molecular entities that can explore the same set of molecular energy levels on a characteristic or delineated time scale.
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Chemistry
Chemistry is the scientific discipline involved with compounds composed of atoms, i.e. elements, and molecules, i.e. combinations of atoms: their composition, structure, properties, behavior and the changes they undergo during a reaction with other compounds.
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Chi (letter)
Chi (uppercase Χ, lowercase χ; χῖ) is the 22nd letter of the Greek alphabet, pronounced or in English.
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Chloranil
Chloranil is a quinone with the molecular formula C6Cl4O2.
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Chloride
The chloride ion is the anion (negatively charged ion) Cl−.
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Chromium
Chromium is a chemical element with symbol Cr and atomic number 24.
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Cobalt
Cobalt is a chemical element with symbol Co and atomic number 27.
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Coordination complex
In chemistry, a coordination complex consists of a central atom or ion, which is usually metallic and is called the coordination centre, and a surrounding array of bound molecules or ions, that are in turn known as ligands or complexing agents.
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Covalent bond
A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms.
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Cyanide
A cyanide is a chemical compound that contains the group C≡N.
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Dimethyl sulfoxide
Dimethyl sulfoxide (DMSO) is an organosulfur compound with the formula (CH3)2SO.
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ECW model
In chemistry, the ECW model is semi-quantitative model that describes and predicts the strength of Lewis acid-Lewis base interactions.
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Electron affinity
In chemistry and atomic physics, the electron affinity (Eea) of an atom or molecule is defined as the amount of energy released or spent when an electron is added to a neutral atom or molecule in the gaseous state to form a negative ion.
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Electronegativity
Electronegativity, symbol ''χ'', is a chemical property that describes the tendency of an atom to attract a shared pair of electrons (or electron density) towards itself.
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Electronvolt
In physics, the electronvolt (symbol eV, also written electron-volt and electron volt) is a unit of energy equal to approximately joules (symbol J).
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Enthalpy
Enthalpy is a property of a thermodynamic system.
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Equilibrium constant
The equilibrium constant of a chemical reaction is the value of its reaction quotient at chemical equilibrium, a state approached by a dynamic chemical system after sufficient time has elapsed at which its composition has no measurable tendency towards further change.
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Eta
Eta (uppercase, lowercase; ἦτα ē̂ta or ήτα ita) is the seventh letter of the Greek alphabet.
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Ferrous
In chemistry, ferrous (Fe2+), indicates a divalent iron compound (+2 oxidation state), as opposed to ferric, which indicates a trivalent iron compound (+3 oxidation state).
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Finite difference
A finite difference is a mathematical expression of the form.
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Fluoride
Fluoride.
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Gold
Gold is a chemical element with symbol Au (from aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally.
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Halogen
The halogens are a group in the periodic table consisting of five chemically related elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).
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HOMO/LUMO
In chemistry, HOMO and LUMO are types of molecular orbitals.
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Hydrazine
Hydrazine is an inorganic compound with the chemical formula (also written), called diamidogen, archaically.
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Hydride
In chemistry, a hydride is the anion of hydrogen, H−, or, more commonly, it is a compound in which one or more hydrogen centres have nucleophilic, reducing, or basic properties.
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Hydrogen
Hydrogen is a chemical element with symbol H and atomic number 1.
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Hydrogen fluoride
Hydrogen fluoride is a chemical compound with the chemical formula.
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Hydronium
In chemistry, hydronium is the common name for the aqueous cation, the type of oxonium ion produced by protonation of water.
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Hydroxide
Hydroxide is a diatomic anion with chemical formula OH−.
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Hydroxy group
A hydroxy or hydroxyl group is the entity with the formula OH.
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Infinity
Infinity (symbol) is a concept describing something without any bound or larger than any natural number.
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Inorganic chemistry
Inorganic chemistry deals with the synthesis and behavior of inorganic and organometallic compounds.
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International Union of Pure and Applied Chemistry
The International Union of Pure and Applied Chemistry (IUPAC) is an international federation of National Adhering Organizations that represents chemists in individual countries.
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Iodine
Iodine is a chemical element with symbol I and atomic number 53.
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Ionic bonding
Ionic bonding is a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions, and is the primary interaction occurring in ionic compounds.
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Ionization energy
The ionization energy (Ei) is qualitatively defined as the amount of energy required to remove the most loosely bound electron, the valence electron, of an isolated gaseous atom to form a cation.
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Journal of Chemical Education
The Journal of Chemical Education is a monthly peer-reviewed academic journal available in both print and electronic versions.
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Journal of the American Chemical Society
The Journal of the American Chemical Society (also known as JACS) is a weekly peer-reviewed scientific journal that was established in 1879 by the American Chemical Society.
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Kolbe nitrile synthesis
The Kolbe nitrile synthesis is a method for the preparation of alkyl nitriles by reaction of the corresponding alkyl halide with a metal cyanide.
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Lanthanide
The lanthanide or lanthanoid series of chemical elements comprises the 15 metallic chemical elements with atomic numbers 57 through 71, from lanthanum through lutetium.
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Lanthanum
Lanthanum is a chemical element with symbol La and atomic number 57.
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Lead
Lead is a chemical element with symbol Pb (from the Latin plumbum) and atomic number 82.
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Lewis acids and bases
A Lewis acid is a chemical species that contains an empty orbital which is capable of accepting an electron pair from a Lewis base to form a Lewis adduct.
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Ligand
In coordination chemistry, a ligand is an ion or molecule (functional group) that binds to a central metal atom to form a coordination complex.
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Lithium
Lithium (from lit) is a chemical element with symbol Li and atomic number 3.
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Ludwig Maximilian University of Munich
Ludwig Maximilian University of Munich (also referred to as LMU or the University of Munich, in German: Ludwig-Maximilians-Universität München) is a public research university located in Munich, Germany.
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Mercury (element)
Mercury is a chemical element with symbol Hg and atomic number 80.
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Mercury polycations
Mercury polycations are polyatomic cations that contain only mercury atoms.
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Metal
A metal (from Greek μέταλλον métallon, "mine, quarry, metal") is a material (an element, compound, or alloy) that is typically hard when in solid state, opaque, shiny, and has good electrical and thermal conductivity.
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Methane
Methane is a chemical compound with the chemical formula (one atom of carbon and four atoms of hydrogen).
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Methylmercury
Methylmercury (sometimes methyl mercury) is an organometallic cation with the formula.
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Nathan Kornblum
Nathan Kornblum was born in New York City on March 22, 1914 to immigrant parents, Frances (Newmark) and Samuel Kornblum.
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Nitrate
Nitrate is a polyatomic ion with the molecular formula and a molecular mass of 62.0049 u.
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Nitrite
The nitrite ion, which has the chemical formula, is a symmetric anion with equal N–O bond lengths.
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Nitrogen
Nitrogen is a chemical element with symbol N and atomic number 7.
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Nucleophile
Nucleophile is a chemical species that donates an electron pair to an electrophile to form a chemical bond in relation to a reaction.
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Orbital overlap
In chemical bonds, an orbital overlap is the concentration of orbitals on adjacent atoms in the same regions of space.
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Organic chemistry
Organic chemistry is a chemistry subdiscipline involving the scientific study of the structure, properties, and reactions of organic compounds and organic materials, i.e., matter in its various forms that contain carbon atoms.
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Oxidation state
The oxidation state, sometimes referred to as oxidation number, describes degree of oxidation (loss of electrons) of an atom in a chemical compound.
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Oxophilicity
Oxophilicity is the tendency of certain chemical compounds to form oxides by hydrolysis or abstraction of oxygen, often from organic compounds.
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Palladium
Palladium is a chemical element with symbol Pd and atomic number 46.
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Phosphine
Phosphine (IUPAC name: phosphane) is the compound with the chemical formula PH3.
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Platinum
Platinum is a chemical element with symbol Pt and atomic number 78.
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Polarizability
Polarizability is the ability to form instantaneous dipoles.
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Protic solvent
In chemistry, a protic solvent is a solvent that has a hydrogen atom bound to an oxygen (as in a hydroxyl group) or a nitrogen (as in an amine group).
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Pyridine
Pyridine is a basic heterocyclic organic compound with the chemical formula C5H5N.
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Ralph Pearson
Ralph Gottfrid Pearson (born January 12, 1919, Chicago) is a physical inorganic chemist best known for the development of the concept of hard and soft acids and bases (HSAB).
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Reaction mechanism
In chemistry, a reaction mechanism is the step by step sequence of elementary reactions by which overall chemical change occurs.
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Robert Parr
Robert Ghormley Parr (September 22, 1921 – March 27, 2017) was an American theoretical chemist who was a Professor of Chemistry at the University of North Carolina at Chapel Hill.
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Salt metathesis reaction
A salt metathesis reaction (from the Greek μετάθεσις, "transposition"), sometimes called a double replacement reaction or double displacement reaction, is a chemical process involving the exchange of bonds between two reacting chemical species, which results in the creation of products with similar or identical bonding affiliations.
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Scandium
Scandium is a chemical element with symbol Sc and atomic number 21.
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Silver
Silver is a chemical element with symbol Ag (from the Latin argentum, derived from the Proto-Indo-European ''h₂erǵ'': "shiny" or "white") and atomic number 47.
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SN1 reaction
The SN1 reaction is a substitution reaction in organic chemistry.
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SN2 reaction
The SN2 reaction is a type of reaction mechanism that is common in organic chemistry.
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Sodium
Sodium is a chemical element with symbol Na (from Latin natrium) and atomic number 11.
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Solvation
Solvation describes the interaction of solvent with dissolved molecules.
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Solvent
A solvent (from the Latin solvō, "loosen, untie, solve") is a substance that dissolves a solute (a chemically distinct liquid, solid or gas), resulting in a solution.
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Sulfate
The sulfate or sulphate (see spelling differences) ion is a polyatomic anion with the empirical formula.
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Sulfur dioxide
Sulfur dioxide (also sulphur dioxide in British English) is the chemical compound with the formula.
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Thallium
Thallium is a chemical element with symbol Tl and atomic number 81.
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Thiocyanate
Thiocyanate (also known as rhodanide) is the anion −. It is the conjugate base of thiocyanic acid.
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Thiol
Thiol is an organosulfur compound that contains a carbon-bonded sulfhydryl (R–SH) group (where R represents an alkyl or other organic substituent).
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Thorium
Thorium is a weakly radioactive metallic chemical element with symbol Th and atomic number 90.
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Titanium
Titanium is a chemical element with symbol Ti and atomic number 22.
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Transition metal
In chemistry, the term transition metal (or transition element) has three possible meanings.
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Trimethylborane
Trimethylborane (TMB) is a toxic, pyrophoric gas with the formula B(CH3)3 (which can also be written as Me3B, with Me representing methyl).
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Uranium
Uranium is a chemical element with symbol U and atomic number 92.
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Water
Water is a transparent, tasteless, odorless, and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms.
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Zinc
Zinc is a chemical element with symbol Zn and atomic number 30.
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Chemical hardness, HSAB, HSAB concept, Hard Acid, Hard Base, Hard acid, Hard and soft acids and bases, Hard base, Hsab, Hsab concept, Hsab theory, Kornblum's rule, Pearson hardness, Soft Acid, Soft Base, Soft acid, Soft base, Soft metal ion.
References
[1] https://en.wikipedia.org/wiki/HSAB_theory