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chemical equations


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
reactant the substances present before a chemical reaction occurs; in a chemical reaction the arrow usually points away from the reactant
product the substances that are formed during a chemical reaction
ionic bond a chemical bond in which one atom gives up electrons to another atom that gains the electrons
covalent bond chemical link between two atoms that share electrons
compound a chemical combination of two or more elements
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 equations an mathematical representation of a chemical process; contains chemical formulas and coefficients
chemical formula a set of symbols used to describe the elements within a substance
Created by: mariah.brielle