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Chemical Equations

TermDefinition
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(s)
Product the substances that are formed during a chemical reaction; in a chemical reaction the arrows point toward the product
Ionic Bond a chemical bond in which one atom gives up electrons (cation) to another atom that gains the electrons (anion); results from a difference in electronegativity greater than 1.7
Covalent Bonds a 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 Equation a 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: rylie.guerin
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