Free-Electron Theory of Metals: If One Metal Has Double the Number

Multiple Choice

Free-electron theory of metals: If one metal has double the number of conduction electrons per unit volume of a second metal, then its Fermi level (energy) is how many times that of the second metal?

A) 1.41
B) 2.83
C) 2.00
D) 3.22
E) 1.59