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Distribution of Electrons in Different Orbits

For an elemen...

Question

For an element with atomic number $19$ , the $19^{t h}$ electron will occupy:

A

L - shell

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B

M - shell

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C

N - shell

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D

K - shell

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Solution

The correct option is C N - shell
For atomic no. 19 , electronic configuration = $2, 8, 8, 1$ . Therefore, the $19^{t h}$ electron is present in N-shell (n = 4).

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