Unit 4 Conservation of mass

mass

A measurement of how much matter is present in a substance

Law conservation of mass

States that the mass of all reactants must all equal the mass of all products and that matter is neither created nor destroyed

Combustion

Chemical reaction that requires oxygen; often referred to as burning fire, heat, ect.

Reactants

Chemicals that go into the reaction; represented on the left side of a chemical equation

Products

Chemicals that are produced after the reaction has occurred; represented on the right side of the chemical equation

Chemical equation

Chemical formulas and symbols are written to represent a reaction

Compound

When 2 or more different atoms bond together

Molecule

When any atoms bond together

Bond

When 2 or more atoms share or transfer electrons