Chemical Properties and Changes

numbers placed BEFORE chemical formulas that multiply them.

• coefficient

• subscript

• element

• compound

the substances that are present before a chemical reaction

• products

• catalysts

• reactants

• intermediates

any new substances formed during a chemical reaction

• reactants

• catalysts

• products

• intermediates

characteristic of matter that can be observed as it changes to a different type of matter

• physical property

• chemical property

• mechanical property

• thermal property

change in matter in which the substances that make up the matter change into other substances with new physical and chemical properties

• physical change

• chemical change

• phase change

• biological change

another term for chemical change (means the same)

• chemical reaction

• physical change

• elementary reaction

• oxidation process

a statement containing chemical formulas, used to show the changes that happen during a chemical reaction

• chemical equation

• chemical reaction

• chemical formula

• chemical compound

amount of substance in a certain volume

• density

• mass

• concentration

• volume