Question

Which of the following correctly represents the electronic distribution of magnesium atom?


1,8,3

3,8,1

2,8,2

8,2,2

​

Answer 1

Answer:

2, 8, 2

as the atomic number is 12

Answer 2

Answer:

2,8,2

Explanation:

magnesium has 12 electron

so by the electronic configuration formula of 2.8.8.18.....

we can calculate the configuration ..first cell contain 2 e- , second contain 8e- so on ag given above formula