Answers

The Brainliest Answer!
2016-04-24T16:02:29+05:30
Atomic number = 18
An Inert Gas

K L M
2 8  8


pls mark as the best
1 5 1
2016-04-24T16:07:49+05:30
2- k shell
8- l shell
8- M shell
valency zero thus it is a noble/ inert gas
0