1. Tardigrade
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  3. Chemistry
  4. The electronic configuration of nitrogen is 1s2,2s22px12py12pz1 and not 1s2,2s22px22py12pz0 . This is explained by

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Q. The electronic configuration of nitrogen is $1s^{2},2s^{2}2p_{x}^{1}2p_{y}^{1}2p_{z}^{1}$ and not $1s^{2},2s^{2}2p_{x}^{2}2p_{y}^{1}2p_{z}^{0}$ . This is explained by

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Solution:

Hund’s rule states that pairing of electrons in the orbitals of a subshell (orbitals of equal energy) starts when each of them is singly filled.