Matter Review

Which contains only elements?

• A

• B

• C

• D

Which contains a pure substance? (Choose all)

• A

• B

• C

• D

Which contains a mixture? (Choose all)

• A

• B

Which is a heterogeneous mixture? (Choose all)

• 1

• 2

• 3

• 4

Water is an example of:

• compound
• element
• solution

A combination of substances that are not chemically combined is called a(n)____________. 

• mixture
• compound
• physical

Which of the following represents an element?

• H₂O
• H₂
• NaCl
• CaCO₃

Salt has a chemical formula of NaCl.  Salt is a...

• Compound
• Element
• Mixture
• None of the Above

An element is made up of only one kind of _____.

• isotope
• plastic
• atom
• metal

Jello is an example of a...

• Element
• Compound
• Mixture