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Chemical Reactivity

What is the e...

Question

What is the electronic configuration of nitrogen [Atomic number=7, Atomic mass=14]?

A

2, 3

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B

2, 5

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C

2, 2

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D

7

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Solution

The correct option is D $2, 5$
The number of electrons of nitrogen is $7$ . K shell can accommodate $2$ electrons, L shell can accommodate the remaining $5$ electrons. Hence, the electronic configuration is $2, 5.$

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