Periodic TableHard

Question

In the long form of the periodic table, the valence shell electronic configuration of 5s25p4 corresponds to the element present in :

Options

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

Solution

Valence shell number indicates period number. ns2np4 correspond to group 16.

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