d. Ca+1 ( wants to be Ca+2)
5. a. K
7. only A is TRUE
9. Within a group(family) size increases with atomic number(you're adding more shells)
Within a period size decreases from left to right.(more protons to pull in the saem number of shells)
10. atomic radius decreases and ionization energy increases.
11. No. See Co and Ni; Te and I and there are three more exceptions in the last period.