The principal quantum number n can have any integer value ranging from
A)-∞ to +∞.
B)0 to ∞.
C)1 to ∞.
D)1 to 100.

Question

Quizplus · Accepted Answer

The principal quantum number n represents the energy level or shell of an electron. It can only have positive integer values starting from 1, as the lowest energy level is the ground state (n=1). Therefore, options A and B are incorrect, and option D is unnecessarily limiting.

The Principal Quantum Number N Can Have Any Integer Value