Question

the atomic number of magnesium is 12.The number of electrons in its M shell is?Please explain me step by step​

Answer 1

Answer: There are 2 electrons in the M shell of Mg

Explanation:

Answer 2

Answer:

2

Explanation:total electrons that can get acumelated in the M shell are 16 by the formula (2+n^2) where n= the number of the shell (hear 2)

so total electrons=12

shell 1= 2

shell 2= 8

shell 3= 2

2+8+2=12

electronic configeration =2,8,2