What group has a full s sublevel and a full p sublevel (total of 8 valence e-) in its highest energy level (with one exception)?

1 Answer
David Drayer
Feb 4, 2017

Group VIII or the inert gases, or noble gases.

Explanation:

All of the elements of this family of elements are mainly inert and undergo few or no chemical reactions.

All of the elements of this group except Helium have 8 valance electron which results in a stable filled electron shell. Helium has only 2 valence electrons but these two electrons fill the first shell providing Helium with an analogous stable structure to the other VIII A elements.

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