1. Substances made up of two or more different atoms.

2. Non-bonded combination of two or more different elements or compounds.

3. Water is an example of a...

4. This is an example of a....

5. The name of the places where electrons can go in an atom.

6. The maximum number of electrons that can go into the first shell (inner shell).

7. The maximum number of electrons that can go into the second shell.

8. An atom with a total of 4 electrons would have how many electrons in it's second shell?

9. An atom with a total of 8 electrons would have how many electrons in it's second shell?

10. An atom has a total of 4 electrons. How many electrons will it tend to lose?