Which of the following statements is not accurate in regard to the first four energy levels?

A. The third energy level can hold a maximum of 18 electrons.

B. The fourth energy level is the only energy level to hold an f sublevel.

C. An orbital can hold a maximum of two electrons.

D. The first energy level has 1 p orbital

D) False

Explanation:

A) True

The third energy level with principal quantum number n = 3 will have s, p, d orbitals where the s, p, d orbitals can accommodate a maximum of 2,6 and 8 electrons respectively. Therefore, total electron count = 18

B) True

The fourth energy level corresponds to n = 4 with s, p, d and f orbitals

C) True

A given orbital can accommodate a maximum of 2 electrons, one in the spin up and the other in a spin down orientation

D) False

The first energy level has n = 1 with only s orbital