Molecules Review

The smallest particle of a substance that still is that substance is a

• mixture

• molecule

• solution

This tells what elements make up a molecule.

• solid

• gas

• formula

Molecules are made up of

• compounds

• solutions

• atoms

Molecules are split up to form new molecules in

• chemical reactions

• physical changes

• suspensions

Which of these is a true statement?

• Molecules are all the same size

• Molecules are all the same weight

• Molecules are all moving