Atoms and Molecules

Elements are made of 

• many types of atoms 
• the periodic table
• one type of atom 
• molecules 

All matter is made of 

• energy 
• atoms 
• electrons 
• compounds 

How many hydrogen atoms are there in a water molecule? 

• 0
• 1
• 2
• 3

A molecule is made up of ____ or more atoms.

• 1
• 2
• 3
• 4

What charge does an atom have when it GAINS electrons?

• Positive

• Negative

• Neutral

What is the picture displayed?

• atom

• element

• molecule

The relative atomic mass of Cl is

• 35.5 u

• 35.5

• 37 u

• 37

What is the charge of a proton?

• -1

• 0

• +2

• +1

What is the chemical symbol for Hydrogen?

• H

• He

• Hy

• Ho

What is a compound?

• Two different elements bonded together.

• Two of the same elements bonded together.

• A mixture of different substances.

• Two substances stuck together with glue.