What is the atomic number of the element, having maximum number of unpaired 2p electrons? To which group does it belong?

Explanation

`rarr` The atomic number of the element having maximum no. of unpaired 2p electrons is .7. (Z=7)
`rarr` Element is nitrogen.
`rarr` Electronic configuration is `1s^(2) 2s^(2) 2p^(3)` (3 unpaired 2p electrons)