(A) s
(B) s and p
(C) s, p, and d
(D) s, p, d, and f5 . The total number of electrons that could be held in a sublevel with azimuthal quantum
number equal to 2 is
(A) 2
(B) 6
(C) 8
(D) 106 . An element with an atomic number of 26 has how many electrons in the 3d orbital?
(A) 0
(B) 2
(C) 6
(D) 8
(E) 107 . In going from 1s^2 2 s^2 2 p^6 3 s^2 3 p^6 4 s^1 to 1s^2 2 s^2 2 p^6 3 s^2 3 p^5 4 s^2 , an electron would
(A) absorb energy
(B) emit energy
(C) relax to the ground state
(D) bind to another atom
(E) undergo no change in energy8 . Which of the following orbitals has the lowest energy?