5. Which of the following is a compound?
a. Co
b. He
c. CO
d. H
6. Which best describes a compound?
a. found on the periodic table
b. made from two or more elements
c. a pure substance

7. Which one has more than one type of atom in it?
a.Element b. Compound

8. Water is an example of:
a.Element b. Compound
9. Compounds are different than elements because compounds are –
a. A combination of two or more elements.
b. not able to be broken down into parts
c. made from the same type of atoms
10. The smallest particle of any particular type of matter is known by which
of the following terms?
a. Element b. Chemical c. Atom