Question

If the value of the principal quantum number is 3, the maximum number of values the

magnetic quantum number is​

Answer 1

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If the value of principal quantum number is 3, the total possible values for magnetic quantum number will be. Solution : For n = 3, there are nine orbitals. i.e., one 3s, three 3p and five 3d orbitals so m has 9 values.

Answer 2

Concept:

A quantum number is a value used to describe the energy levels that atoms and molecules have. The quantum numbers are as follows:

1. n - the primary quantum number, which describes the energy level
2. l denotes azimuthal or angular momentum. The quantum number defines the subshell.
3. ml or ms - a magnetic quantum number that defines the subshell orbital
4. ms or s - a spin quantum number that defines the spin.

Given:

The principal quantum number (n) = 3

Find:

If the principal quantum number is 3, what is the maximum number of magnetic quantum numbers?

Solution:

When the maximum value of n=3, then the possible values of l are:

• l = 0, 1, 2 possible.
• l = 0, m = 0
• l = 1, m = -1, 0, 1
• l = 2, m = -2, -1, 0, 1, 2

The total number of possible values of magnetic quantum number (l) is nine.

Hence, if the value of the principal quantum number is 3, the maximum number of values of the magnetic quantum number is​ 9.

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