ECM REVIEW QUIZ

These contain only one kind of atom. 

• element 
• compound 
• mixture 

Elements can be broken down into simpler substances. 

• False 
• True 

A molecule can be made of the same kind of atoms. 

• True
• False 

Which of the following is NOT a compound?

• CO2
• Ar
• H₂O
• Na₂CO₃

Is sugar (C₁₂H₂₂O₁₁) an element or a compound or a mixture?

• Element
• Compound
• Mixture

• Mixture of elements
• Mixture of elements and compounds
• mixture of compounds
• Mixture of molecules

• Mixture of elements
• Mixture of molecules
• Mixture of compounds
• element

• Element
• Molecule
• Compound
• Mixture

• Element
• Mixture
• Compound

Is Bismuth (Bi) an element or a compound or a mixture?

• Element
• Compound
• Mixture