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The electronic configuration of an element with atomic number 7 i.e. nitrogen atom is;
(1) 1s2, 2s1, 2p3x
(2) 1s2, 2s2, 2p2x, 2p1y
(3) 1s2, 2s2, 2p1x, 2p1y 2 p1z
(4) 1s2, 2s2, 2p1x, 2p2y
Ans: 1s2, 2s2, 2p1x, 2p1y 2 p1z
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