Column A

1.
How will Chlorine (Cl) achieve a stable electron configuration?:
How will Chlorine (Cl) achieve a stable electron configuration?
2.
How will Strontium (Sr) achieve a stable electron configuration?:
How will Strontium (Sr) achieve a stable electron configuration?
3.
How will Phosphorous (P) achieve a stable electron configuration?:
How will Phosphorous (P) achieve a stable electron configuration?
4.
How will Oxygen (O) achieve a stable electron configuration?:
How will Oxygen (O) achieve a stable electron configuration?
5.
How will Potassium (K) achieve a stable electron configuration?:
How will Potassium (K) achieve a stable electron configuration?
6.
How will Thallium (Tl) achieve a stable electron configuration?:
How will Thallium (Tl) achieve a stable electron configuration?
Column B
a.It will gain 3 valence electrons.
b.It will gain 1 valence electron.
c.It will lose 2 valence electrons.
d.It will lose 1 valence electron.
e.It will gain 2 valence electrons.
f.It will lose 3 valence electrons.

1. e. It will gain 1 valence electron.

2. d. It will lose 2 valence electrons.
3. f. It will lose 3 valence electrons.
4. a. It will gain 2 valence electrons.
5. c. It will lose 1 valence electron.
6. b. It will gain 3 valence electrons.