Which statement is correct for the ion \(_4^9{\text{B}}{{\text{e}}^{2 + }}\)?

A.     The ion contains 15 subatomic particles in the nucleus.

B.     The ion contains more protons than neutrons in the nucleus.

C.     The ion has an electron arrangement of 2,2.

D.     Most of the total volume of the ion is empty space.

D