The atmosphere is the layer of gases (Which can be further identified into 6 sub-layers!) that surrounds the earth. Each individual layer of the atmosphere serves a different purpose in keeping our planet safe and healthy!
The atmosphere is made up of many gases but mainly oxygen and nitrogen. Carbon dioxide is also present (This is not a good gas!).
<em>I hope I was of assistance! </em><u><em>#StaySafe&SpreadTheLove <3</em></u>
The element that has a complete valence electron shell is argon(Ar) since it is a noble gas in the last group on the periodic table. destinymitchell966
