1. Atoms gain or lose electrons to get _________ valence electrons.

 
2. The oxidation number of silver is always ___________.

 
3. The oxidation number of zinc is always ___________.

 
4. The most stable atoms have a _____________ outer energy level.

 
5. Atoms with _____________ outer energy levels are somewhat stable.

 
6. The Octet Rule states

7. Elements with less than four valence electrons ____________ electrons to form compounds.

 
8. Elements with more than four valence electrons ____________ electrons to form compounds.

 
9. Metals increase in chemical activity as you go from _________________ on a horizontal row and from ______________ in a vertical column on the Periodic Table.

 
10. List all the diatomic molecules.

11. _____________ bonds are formed by the transfer of electrons between atoms.

 
12. _____________ bonds are formed by sharing electrons between atoms.

13. The ____________________ atoms are on the Periodic Table, the more ionic their bond.

 
14. In Lewis dot diagrams, the chemical symbol represents

 
15. In Lewis dot diagrams, dots represent ___________________________.