Complete dominance.... Hope this helps
The average weight of an atom of an element, formerly based on the
weight of one hydrogen atom taken as a unit or on 1/16 (0.0625) the
weight of an oxygen atom, but after 1961 based on 1/12 the weight of the
carbon-12 atom.
C. a plane for forming a scientific hypotheses
The inert gases like neon,argon ,krypton have complete shells
