Question

Element X has twelve protons in its nucleus.To which group in the periodic able would it
a)IVA(14th). b)IIA(2nd). c)IIIA(13th)
d)VIA(16th)

Answer 1

b) 2nd
I think this is the answer

Answer 2

So, it's configuration would be 2,8,2.

Hence two valance electrons.

Hence it should be in group 2 (b).