What is the maximum number of electrons in an atom that can have the following quantum numbers? n = 3 l = 2
A)18
B)10
C)5
D)2
E)1

Question

Quizplus · Accepted Answer

The maximum number of electrons in an atom can be determined using the formula 2(n^2). For n=3, the maximum number of electrons is 2(3^2) = 18. However, since l = 2, this means the electrons are in the d sublevel. The d sublevel can hold a maximum of 10 electrons, so the correct answer is B (10).

What Is the Maximum Number of Electrons in an Atom