What Determines What Element a Configuration of Protons, Neutrons and Electrons

Multiple Choice

What determines what element a configuration of protons, neutrons and electrons will be is

A) the number of protons,
B) the number of neutrons,
C) the mass of protons and neutrons,
And the principal variable that determines whether the atoms will form a solid, liquid, gaseous, or plasma phase is
D) atomic number.
E) atomic weight.
F) density.
G) temperature.