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Which of the following correctly represe...

Which of the following correctly represent the electronic distribution in the Mg atom?

A

`3, 8, 1`

B

`2, 8, 2`

C

`1, 8, 3`

D

`8, 2, 2`

Text Solution

Verified by Experts

The correct Answer is:
B
Atomic number and the number of electrons in magnesium atom is 12. So, electronic configuration is 2, 8, 2 (because 12 = 2 + 8 + 2).
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