Chemical quiz

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

All matter consists of particles called

• Units

• Atoms

• Cubes

• Pints

Air is a compound.

• True
• False

How many elements are represented in the compound?
Na₂CO₃

• 1
• 2
• 3
• 4

Which of the following is not a compound?

• HCl
• Cl
• NaCl
• CO2

Does this picture show a compound?

• No
• Yes

Which of the substances below is a compound?

• ink
• air
• oxygen
• salt

Can compounds be found in the periodic table?

• Yes
• No

Which of the following represents an element?

• H₂O
• H₂
• NaCl
• CaCO₃