Question

A) atomic number of mg and al are 13 respectively. write their electric configuration.

Answer 1

For Mg : 1S2,2S2,2P6,3S2.
For Al: 1S2 ,2S2,2P6,3S2,3P1..

Answer 2

Atomic number of mg is 12 and al is 13
Mg electronic configuration is 2,8,2
Al electronic configuration is 2,8,3