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

Which of the following is not a compound?

• HCl
• Cl
• NaCl
• CO2

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

• element

• compound

• mixture

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

• element

• compound

• mixture

compounds are chemically bounded together 

• False
• true
• I don't know?

Are there any compounds on the periodic table 

• yes there are many 
• no because only elements are on the periodic table
• I think they are?

Is salt (NaCI) a compound or a element

• Compound
• element