Chemical equations vocabulary

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Chemical Formula

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a way of presenting information about the chemical proportions of atoms using compounds, mixtures, and elements

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Compound

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A pure substance of two or more different elements combined together through chemical means

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Subscript

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a character, letter, number, or symbol that is written or printed slightly below the normal line of type, usually in a smaller size.

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Law of Octet or Rule of Octet

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atoms tend to form chemical bonds in a way that gives them eight electrons in their outermost electron shell (or fill up their shell)

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Chemical Bond

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The attraction of ions or atoms together

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Covalent Bond

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A bond that forms because of the result of sharing of one or more electron pairs between atoms

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Ionic Bond

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A bond that is formed when one or more electrons are transferred to another atom

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Coefficient

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a whole number written in front of a chemical formula in an equation, indicating how many molecules or atoms of that substance are involved in a chemical reaction

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Chemical reaction

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a process that involves rearrangement of the molecular structure of a substance to create a new substance

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Reactants

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1. A substance that takes part in and undergoes change during a reaction.

2. ( the left side of a chemical equation)