Question

In the long form of the periodic table, the valence shell electronic configuration of $5s^2 5p^4$ corresponds to the element present in :

• A. Group 16 and period 6
• B. Group 17 and period 5
• C. Group 16 and period 5
• D. Group 17 and period 6

Answer 1

Answer: (C)

Group 16 and period 5

Answer 2

$ns ^{2} np ^{4} \rightarrow$ VI A group

$16^{\text {th }}$ group, $n=5$ (5th period)