1. What determines which elements combine and how they bond together?

2. Potassium is a metal with one valence electron. With which other elements does it form bonds?
A. elements with one electron
B. elements with two electrons
C. elements with five electrons
D. elements with seven electrons

3. Which type of bonds does potassium form? Which type of bond is most common?

4. Describe a covalent bond and how it forms. Give an example of a compound with covalent bonds.

5. Compare and contrast polar and nonpolar covalent bonds.

6. What is an ionic bond? How does it form? Give an example of a compound with ionic bonds