Imagine a Universe in which the four qua...

Imagine a Universe in which the four quantum numbers can have the same possible value as in our Universe except that the magnetic quantum number (m) can have integral values from 0 to `pm (l + 1)`.
Find the electronic configuration of atomic number 20.

A

`1s^6 2s^6 2p^8`

B

`1s^2 2s^2 2p^6 3s^2 3p^6 4s^2`

C

`1s^4 2s^4 2p^6 3s^4 3p^2`

D

`1s^2,1p^6 2s^2 1s^10`

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The correct Answer is:

A

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