electron shell

1. 1.

   a grouping of electrons surrounding the nucleus of an atom

   “the chemical properties of an atom are determined by the outermost electron shell”

   Broadergroup

Questions about electron shell

What does electron shell mean?

electron shell means "a grouping of electrons surrounding the nucleus of an atom".

Is electron shell a common word?

electron shell is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.