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

JEE MainJEE Main 2015Classification of Elements and Periodicity in Properties

Solution:

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

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