Final Review: Topic 5- Chemistry

Anything that has mass and takes up space is called ______.

• atom
• compound
• matter
• molecule

Solids are described as having a 

• definite shape and indefinite volume
• indefinite shape and indefinite volume
• definite shape and definite volume
• indefinite shape and definite volume

When a gas changes its phase and turns into a liquid it is known as

• condensation.
• sublimation.
• vaporization.
• freezing or solidification.

When a liquid changes its phase and turns into a solid it is known as

• condensation.
• melting.
• vaporization.
• freezing or solidification.

Molecules in a solid look like:

• 
• 
• 

Molecules in a gas look like:

• 
• 
• 

What state of matter has no definite volume and assumes the shape of its container?

• Solid
• Liquid
• Gas

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

An atom's mass number equals the number of...

• protons plus the number of electrons
• protons plus the number of neutrons
• protons
• neutrons