Question #e45b9

1 Answer
Dwight
Feb 28, 2017

I would choose helium.

Explanation:

Certainly one of the noble gases would be the choice for least reactive, and as you go down the column, you find that Kr and Xe can by made, under extreme conditions to form rather unstable compounds, one would head to the top of the list to find the least reactive of all.

Related questions
See all questions in Elements
Impact of this question
2171 views around the world
You can reuse this answer
Creative Commons License