Elements, Compounds, and Mixtures

Which contains only elements?

• A

• B

• C

• D

Which contains only elements (no compounds)? (Choose all)

• A

• B

• C

Contains only one kind of atom.

• Element
• Compund
• Mixture

Contains two or more atoms combined

• Elements
• Compounds
• Mixtures

Examples are milk and gasoline.

• elements
• mixtures
• compounds

Examples are diamonds (C) and Uranium (U)

• elements

• mixtures

• compounds

Is sugar (C₁₂H₂₂O₁₁) an element or a compound?

• Element
• Compound

Which of the following is not a compound?

• HCl
• Cl
• NaCl
• CO2

diagram "b" is an example of a(n)

• element

• compound

• mixture

diagram "a" is an example of a(n)

• element

• compound

• mixture