Matter Review #2

Match it! Select the correct answer from the pull down...Good luck!

The atomic number of an element is the same as the number of ____ in the nucleus.

____ is how closely packed the atoms are in a gas, liquid, or solid

Mass = ______ + _______

Earth's air consists of the following gases in the order of how abundant they are.

The amount of matter that anything is made up of is called its ____

78% of Earth's air consists of __

Identify the state of matter: atoms packed closely together, vibrating, fixed shape, fixed volume

Identify the state of matter: Atoms spaced far apart, atoms move freely, no fixed shape, no fixed volume