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Hydrogen and Oxygen

Shortcuts: Differences, Similarities, Jaccard Similarity Coefficient, References.

Difference between Hydrogen and Oxygen

Hydrogen vs. Oxygen

Hydrogen is a chemical element with symbol H and atomic number 1. Oxygen is a chemical element with symbol O and atomic number 8.

Similarities between Hydrogen and Oxygen

Hydrogen and Oxygen have 76 things in common (in Unionpedia): Abundance of the chemical elements, Acid, Aluminium, Aluminium oxide, Antoine Lavoisier, Atomic number, Atomic orbital, Aurora, Beta decay, Carbon, Carbon dioxide, Carbon monoxide, Chemical bond, Chemical compound, Chemical element, Chemical formula, Chemical reaction, Chloroplast, CNO cycle, Combustion, Covalent bond, Cryogenics, Cyanobacteria, Detonation, Diatomic molecule, Electrolysis of water, Electronegativity, Enzyme, Exothermic process, Fluorine, ..., Gas, Ground state, Half-life, Helium, Hydrogen, Hydrogen bond, International Union of Pure and Applied Chemistry, Iron, Iron(III) oxide, Isotope, James Dewar, Kelvin, Metal, Methanol, NASA, Natural abundance, Nitrogen, Nonmetal, Organic chemistry, Organic compound, Organism, Periodic table, Periodic Videos, Phlogiston theory, Photon, Photosynthesis, Pressure swing adsorption, Proton, Quantum mechanics, Quartz, Redox, Robert Boyle, Rocket propellant, Silicon dioxide, Solar wind, Solubility, Spin (physics), Standard conditions for temperature and pressure, Star, Steel, Superconductivity, Transition metal, Ultraviolet, Water, Welding, Zirconium dioxide. Expand index (46 more) »

Abundance of the chemical elements

The abundance of the chemical elements is a measure of the occurrence of the chemical elements relative to all other elements in a given environment.

Abundance of the chemical elements and Hydrogen · Abundance of the chemical elements and Oxygen · See more »


An acid is a molecule or ion capable of donating a hydron (proton or hydrogen ion H+), or, alternatively, capable of forming a covalent bond with an electron pair (a Lewis acid).

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Aluminium or aluminum is a chemical element with symbol Al and atomic number 13.

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Aluminium oxide

Aluminium oxide (British English) or aluminum oxide (American English) is a chemical compound of aluminium and oxygen with the chemical formula 23.

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Antoine Lavoisier

Antoine-Laurent de Lavoisier (also Antoine Lavoisier after the French Revolution;; 26 August 17438 May 1794) CNRS (Centre National de la Recherche Scientifique) was a French nobleman and chemist who was central to the 18th-century chemical revolution and who had a large influence on both the history of chemistry and the history of biology.

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Atomic number

The atomic number or proton number (symbol Z) of a chemical element is the number of protons found in the nucleus of an atom.

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Atomic orbital

In quantum mechanics, an atomic orbital is a mathematical function that describes the wave-like behavior of either one electron or a pair of electrons in an atom.

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An aurora (plural: auroras or aurorae), sometimes referred to as polar lights, northern lights (aurora borealis) or southern lights (aurora australis), is a natural light display in the Earth's sky, predominantly seen in the high-latitude regions (around the Arctic and Antarctic).

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Beta decay

In nuclear physics, beta decay (β-decay) is a type of radioactive decay in which a beta ray (fast energetic electron or positron) and a neutrino are emitted from an atomic nucleus.

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Carbon (from carbo "coal") is a chemical element with symbol C and atomic number 6.

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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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Chemical bond

A chemical bond is a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds.

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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 element

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).

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Chemical formula

A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.

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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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Chloroplasts are organelles, specialized compartments, in plant and algal cells.

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CNO cycle

The CNO cycle (for carbon–nitrogen–oxygen) is one of the two known sets of fusion reactions by which stars convert hydrogen to helium, the other being the proton–proton chain reaction.

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Combustion, or burning, is a high-temperature exothermic redox chemical reaction between a fuel (the reductant) and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products, in a mixture termed as smoke.

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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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In physics, cryogenics is the production and behaviour of materials at very low temperatures.

Cryogenics and Hydrogen · Cryogenics and Oxygen · See more »


Cyanobacteria, also known as Cyanophyta, are a phylum of bacteria that obtain their energy through photosynthesis, and are the only photosynthetic prokaryotes able to produce oxygen.

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Detonation is a type of combustion involving a supersonic exothermic front accelerating through a medium that eventually drives a shock front propagating directly in front of it.

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Diatomic molecule

Diatomic molecules are molecules composed of only two atoms, of the same or different chemical elements.

Diatomic molecule and Hydrogen · Diatomic molecule and Oxygen · See more »

Electrolysis of water

Electrolysis of water is the decomposition of water into oxygen and hydrogen gas due to an electric current passed through the water.

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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.

Electronegativity and Hydrogen · Electronegativity and Oxygen · See more »


Enzymes are macromolecular biological catalysts.

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Exothermic process

In thermodynamics, the term exothermic process (exo-: "outside") describes a process or reaction that releases energy from the system to its surroundings, usually in the form of heat, but also in a form of light (e.g. a spark, flame, or flash), electricity (e.g. a battery), or sound (e.g. explosion heard when burning hydrogen).

Exothermic process and Hydrogen · Exothermic process and Oxygen · See more »


Fluorine is a chemical element with symbol F and atomic number 9.

Fluorine and Hydrogen · Fluorine and Oxygen · See more »


Gas is one of the four fundamental states of matter (the others being solid, liquid, and plasma).

Gas and Hydrogen · Gas and Oxygen · See more »

Ground state

The ground state of a quantum mechanical system is its lowest-energy state; the energy of the ground state is known as the zero-point energy of the system.

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Half-life (symbol t1⁄2) is the time required for a quantity to reduce to half its initial value.

Half-life and Hydrogen · Half-life and Oxygen · See more »


Helium (from lit) is a chemical element with symbol He and atomic number 2.

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Hydrogen is a chemical element with symbol H and atomic number 1.

Hydrogen and Hydrogen · Hydrogen and Oxygen · See more »

Hydrogen bond

A hydrogen bond is a partially electrostatic attraction between a hydrogen (H) which is bound to a more electronegative atom such as nitrogen (N), oxygen (O), or fluorine (F), and another adjacent atom bearing a lone pair of electrons.

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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.

Hydrogen and International Union of Pure and Applied Chemistry · International Union of Pure and Applied Chemistry and Oxygen · See more »


Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.

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Iron(III) oxide

Iron(III) oxide or ferric oxide is the inorganic compound with the formula Fe2O3.

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Isotopes are variants of a particular chemical element which differ in neutron number.

Hydrogen and Isotope · Isotope and Oxygen · See more »

James Dewar

Sir James Dewar FRS FRSE (20 September 1842 – 27 March 1923) was a Scottish chemist and physicist.

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The Kelvin scale is an absolute thermodynamic temperature scale using as its null point absolute zero, the temperature at which all thermal motion ceases in the classical description of thermodynamics.

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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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Methanol, also known as methyl alcohol among others, is a chemical with the formula CH3OH (a methyl group linked to a hydroxyl group, often abbreviated MeOH).

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The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.

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Natural abundance

In physics, natural abundance (NA) refers to the abundance of isotopes of a chemical element as naturally found on a planet.

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Nitrogen is a chemical element with symbol N and atomic number 7.

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Apart from hydrogen, nonmetals are located in the p-block. Helium, as an s-block element, would normally be placed next to hydrogen and above beryllium. However, since it is a noble gas, it is instead placed above neon (in the p-block). In chemistry, a nonmetal (or non-metal) is a chemical element that mostly lacks metallic attributes.

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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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Organic compound

In chemistry, an organic compound is generally any chemical compound that contains carbon.

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In biology, an organism (from Greek: ὀργανισμός, organismos) is any individual entity that exhibits the properties of life.

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Periodic table

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.

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Periodic Videos

The Periodic Table of Videos (usually shortened to Periodic Videos) is a series of videos about chemical elements and the periodic table.

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Phlogiston theory

The phlogiston theory is a superseded scientific theory that postulated that a fire-like element called phlogiston is contained within combustible bodies and released during combustion.

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The photon is a type of elementary particle, the quantum of the electromagnetic field including electromagnetic radiation such as light, and the force carrier for the electromagnetic force (even when static via virtual particles).

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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).

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Pressure swing adsorption

Pressure swing adsorption (PSA) is a technology used to separate some gas species from a mixture of gases under pressure according to the species' molecular characteristics and affinity for an adsorbent material.

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| magnetic_moment.

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Quantum mechanics

Quantum mechanics (QM; also known as quantum physics, quantum theory, the wave mechanical model, or matrix mechanics), including quantum field theory, is a fundamental theory in physics which describes nature at the smallest scales of energy levels of atoms and subatomic particles.

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Quartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2.

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Redox (short for reduction–oxidation reaction) (pronunciation: or) is a chemical reaction in which the oxidation states of atoms are changed.

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Robert Boyle

Robert Boyle (25 January 1627 – 31 December 1691) was an Anglo-Irish natural philosopher, chemist, physicist, and inventor.

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Rocket propellant

Rocket propellant is a material used either directly by a rocket as the reaction mass (propulsive mass) that is ejected, typically with very high speed, from a rocket engine to produce thrust, and thus provide spacecraft propulsion, or indirectly to produce the reaction mass in a chemical reaction.

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Silicon dioxide

Silicon dioxide, also known as silica (from the Latin silex), is an oxide of silicon with the chemical formula, most commonly found in nature as quartz and in various living organisms.

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Solar wind

The solar wind is a stream of charged particles released from the upper atmosphere of the Sun, called the corona.

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Solubility is the property of a solid, liquid or gaseous chemical substance called solute to dissolve in a solid, liquid or gaseous solvent.

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Spin (physics)

In quantum mechanics and particle physics, spin is an intrinsic form of angular momentum carried by elementary particles, composite particles (hadrons), and atomic nuclei.

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Standard conditions for temperature and pressure

Standard conditions for temperature and pressure are standard sets of conditions for experimental measurements to be established to allow comparisons to be made between different sets of data.

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A star is type of astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.

Hydrogen and Star · Oxygen and Star · See more »


Steel is an alloy of iron and carbon and other elements.

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Superconductivity is a phenomenon of exactly zero electrical resistance and expulsion of magnetic flux fields occurring in certain materials, called superconductors, when cooled below a characteristic critical temperature.

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Transition metal

In chemistry, the term transition metal (or transition element) has three possible meanings.

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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.

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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.

Hydrogen and Water · Oxygen and Water · See more »


Welding is a fabrication or sculptural process that joins materials, usually metals or thermoplastics, by causing fusion, which is distinct from lower temperature metal-joining techniques such as brazing and soldering, which do not melt the base metal.

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Zirconium dioxide

Zirconium dioxide, sometimes known as zirconia (not to be confused with zircon), is a white crystalline oxide of zirconium.

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The list above answers the following questions

Hydrogen and Oxygen Comparison

Hydrogen has 362 relations, while Oxygen has 453. As they have in common 76, the Jaccard index is 9.33% = 76 / (362 + 453).


This article shows the relationship between Hydrogen and Oxygen. To access each article from which the information was extracted, please visit:

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