Search Result for "electron shell":
Wordnet 3.0

NOUN (1)

1. a grouping of electrons surrounding the nucleus of an atom;
- Example: "the chemical properties of an atom are determined by the outermost electron shell"



WordNet (r) 3.0 (2006):

electron shell
    n 1: a grouping of electrons surrounding the nucleus of an atom;
         "the chemical properties of an atom are determined by the
         outermost electron shell"