Which of the following rules could explain the presence of three unpaired electrons in $N -$ atoms?

Hund's rule

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Aufbau's Principle

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Heisenberg's uncertainty principle

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Pauli's exclusion principle

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Solution

The correct option is A Hund's rule
The presence of three unpaired in Nitrogen can be explained by Hund rule. Since the outermost shell is the P shell and P shell has 3 orbitals each of these orbitals can accommodate 2 electron. Then each of these 3 electron occupies one orbital and remain unpaired.

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Which of the following rules could explain the presence of three unpaired electrons in N−atoms?

The correct option is A Hund's ruleThe presence of three unpaired in Nitrogen can be explained by Hund rule. Since the outermost shell is the P shell and P shell has 3 orbitals each of these orbitals can accommodate 2 electron. Then each of these 3 electron occupies one orbital and remain unpaired.

Which of the following rules could explain the presence of three unpaired electrons in $N -$ atoms?