Question

The atom having the valence shell electronic configuration $4s^{2}4p^2$ would be in?

• A. Group II A and period $3$
• B. Group II B and period $4$
• C. Group IV A and period $4$
• D. Group IV A and period $3$

Answer 1

Answer: (C)

Group IV A and period $4$

Period is equal to the principal quantum number.

Here $n=4$. So, Period is $4$

For the group, in this case, we simply add the number of electrons in s and p orbitals.

So, Group $=2+2=4$ or $14-$ group

so atom belongs to Group $14$ or $IVA$ and period $4$.

Hence, the correct answer is $option:C$