When Completing the Orbital Diagram for the Element Argon, Which

Multiple Choice

When completing the orbital diagram for the element argon, which of the following statements is correct?

A) There are six electrons in the n = 3 energy level.
B) The 3p sublevel is not full.
C) There are electrons in the 3d sublevel.
D) There are no electrons in the 4s sublevel.
E) There is one unpaired electron in the 3p sublevel.