Chemical Reaction Unit - Test Review

Front

What is the small number AFTER the symbol called?

Back

subscript

Front

What type of substance is made of more than one atom?

Back

molecule

Front

What are the chemicals made in a chemical reaction called?

Back

products

Front

Which category does burning fit into?

Back

chemical change

Front

What is the definition of chemical change?

Back

Any change that results in the formation of new chemical substances.

Front

What is a chemical reaction?

Back

A process where reactants are transformed into products.

Front

What are reactants?

Back

The starting substances in a chemical reaction.

Front

What is a coefficient in a chemical equation?

Back

A number placed in front of a chemical formula to indicate how many molecules are present.

Front

What is the law of conservation of mass?

Back

Matter cannot be created or destroyed in a chemical reaction.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.