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Chemical equation
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Term | Definition |
---|---|
Law of conservation of mass | A fundamental principle of science stating that mass cannot be created or destroyed in a closed system through ordinary chemical or physical means. |
Product | The substances that are formed during a chemical reaction. |
Reactant | The substances present before a chemical reaction occurs. |
Ionic bond | A chemical bond in which one atom gives up electrons to another atom that gains the electrons. |
Covalent bond | A chemical link between two atoms that share electrons. |
Compound | A chemical combination of two or more electrons. |
Subscript | A symbol usually a letter or a number placed immediately below and to the right of a written character. |
Coefficient | The number placed in front of a chemical formula to indicates the number of molecules present. |
Balanced chemical equation | An mathematical representation of a chemical process. |
Chemical formula | A set of symbols used to describe the elements within a substance. |