Matter is made up of __________, a Greek word that means “uncutable.”

• atoms
• protons
• electrons
• neutrons

The number of ___________ in the nucleus are what makes one atom different from another.

• electrons
• protons
• neutrons
• molecules

Compounds can be broken down into simpler substances by ______________.

• a magnet
• a filter
• distillation
• a chemical reaction

Which of the following is NOT an example of an element? 

• cobalt (Co)
• helium (He)
• carbon monoxice (Co3)
• Copper (Cu)

Which of the following is NOT true about a mixture?

• can be separated into its original parts
• has different qualities then its substances
• substances are not chemically combined
• an example of a mixture is a cup of coffee

Which of the following substances is NOT an example of a mixture?

• coffee
• water
• sand
• kool aide

 _____________ are the simplest pure substances.

• atom
• element
• molecule
• electron

Carbon has 6 protons and an atomic mass of 12. How many neutrons does it have?

• 12
• 6
• 18
• 0

Phosphorus (P) has 16 neutrons and 15 electrons. What is it's atomic mass?

• 16
• 15
• 31
• 1

 element, mixture or compound?

• element
• mixture
• compound