Differentiate between metals and noble gases.

A) Noble gases have a full shell of valence electrons while metals have only a few valence electrons.
B) Valence electrons are different - metals have a full shell while noble gases have less than half a shell.
C) Metals have a nearly full shell of valence electrons while noble gases have a half shell of valence electrons.
D) All electrons are different - noble gases have a full shells while metals have greater than half shells.