ATOMS&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 

Two or more atoms chemically bonded together are called a

• atom
• element
• molecule
• mixture

How many carbon atoms are there in a methane molecule? 

• 0
• 1
• 4
• 5

How many hydrogen atoms are there in a water molecule? 

• 0
• 1
• 2
• 3

What is the total number of atoms in an ammonia (NH₃) molecule?

• 1
• 2
• 3
• 4

Carbon dioxide (CO₂) contains how many atoms of oxygen?

• 0
• 1
• 2
• 3

What type of molecule does this picture show?

• hydrogen peroxide
• water
• carbon monoxide
• sugar

How many hydrogen atoms are in a molecule of glucose/sugar (C₆H₁₂O₆)?

• 6
• 12
• 18
• 24

When two or more elements are combined a _____ is created.

• molecule

• element

• compound