Question

What electron configuration makes an atom stable and not likely to react?

Answer 1

Ne ( Neon)

Step-by-step explanation:

Neon has 8 valence electrons. This is known as the stable octet. All the Noble Gases, Group 18, have stable outer electron configurations.

Answer 2

A noble gas electron configuration is the least reactive electron configuration. A noble gas configuration is present when the valance electron shell is filled. Since the goal of chemical reactions is to create a full valence shell atoms that already have a full valence shell would not react and would therefore be stable.

I hope this helps. Let me know if anything is unclear or if you have any further questions.