Chemistry Review

Front

What is the total number of groups on the Periodic Table?

Back

18

Front

What type of change occurs when salt dissolves in water?

Back

Physical change

Front

What type of change occurs when a marshmallow is roasted?

Back

Chemical change

Front

Which molecules move the slowest (lowest energy level)?

Back

Solid

Front

What is all matter made of?

Back

Atoms

Front

What is a physical change?

Back

A change that does not alter the chemical composition of a substance.

Front

What is a chemical change?

Back

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

Front

What are the three states of matter?

Back

Solid, Liquid, Gas

Front

What is the smallest unit of an element?

Back

Atom

Front

What is the Periodic Table?

Back

A tabular arrangement of chemical elements, organized by their atomic number.