Question

electronic configuration of
boron z=5
argon z=18
aluminium z=13

Answer 1

Electronic configuration ofboron z=5 => 2,3
argon z=18 => 2, 8, 8
aluminium z=13 => 2, 8, 3

Answer 2

boron = 2, 3

argon = 2, 8, 8

aluminium = 2, 8, 3