1.

The correct electronic configuration of nitrogen is :

Answer»

`1s^2 2s^2 2p_x^@ 2p_x^@ 2p_x^@`
`1s^2 2s^2 2p_x^1 2p_y^1 2p_z^1`
`1s^2 2s^2 2p_x^2 2p_y^2 2p_z^2`
`1s^2 2s^2 2p_x^@ 2p_y^@ 2p_z^@`

ANSWER :B


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