1. 1
2. No
3. Metal
4. 7
5. No
6. Metal
7. 8
8. Yes
9. Sodium
10. 1
11. Chlorine
12. 1
13. Yes
14. Yes
15. Sodium chloride
1. Fewer
2. Lend
3. More
4. Borrow
5. Metals
1. 2
2. 1
3. Clacium
4. 2
5. Chlorine
6. 1
7. Two chlorine atoms need to link up with 1 calcium Atom so that calcium can loose its two valence electrons while not going over an octet with one single chlorine atom.
8. CaCl2