Quiz#7 Elements vs Compounds

Element or Compound?
H₂SO₄

• Element
• Compound

Which of the following is not a compound?

• HCl
• Cl
• NaCl
• CO2

What cannot be broken down into other substances?

• Compound
• Mixture
• Solids
• Element

Pure substances listed on the periodic table that cannot be broken down into any other substances by chemical or physical means

• Elements

• Compounds

• Molecules

• Mixtures

All of the following are compounds EXCEPT:

• hydrogen

• sodium chloride

• water

• carbon dioxide

Which picture(s) represents a mixture between two elements?

• A

• B

• C

• A and C