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| An acid is a chemical species that donates protons or hydrogen ions and/or accepts electrons. |
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| An alkane is a hydrocarbon containing only single carbon-carbon bonds. |
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| A binary compound is a chemical compound that contains exactly two different elements. |
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| a link between atoms in molecules and between ions and molecules in crystals |
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| An expression which states the number and type of atoms present in a molecule of a substance. |
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| A chemical nomenclature is a set of rules to generate systematic names for chemical compounds. |
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| Diatomic refers to a molecule containing only two atoms. |
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| A covalent bond is a chemical link between two atoms in which electrons are shared between them. |
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| a molecule formed by covalent bonds, in which the atoms share one or more pairs of valence electrons |
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| A compound is a chemical species that is formed when two or more atoms join together chemically, with covalent or ionic bonds. |
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| A formula unit in chemistry is the empirical formula of any ionic or covalent network solid compound used as an independent entity for stoichiometric calculations. |
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| The formula mass of a molecule is the sum of the atomic weights of the atoms in the empirical formula of the compound. |
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| A hydrocarbon is a substance consisting only of carbon and hydrogen atoms. |
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| not consisting of or deriving from living matter. |
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| An ionic bond is a chemical link between two atoms caused by the electrostatic force between oppositely-charged ions in an ionic compound. |
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| pertaining to something carrying a net electrical charge, as an ionic bond or ionic compound. |
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| a molecule refers to two or more atoms which have chemically combined to form a single species. |
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| a compound regarded as a union of molecules retaining their identities. |
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| A monatomic ion is an ion formed from a single atom. |
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| of, relating to, or derived from living matter. |
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| A polyatomic ion is an ion comprised of two or more atoms. |
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| (of a letter, figure, or symbol) written or printed below the line. |
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