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Electron Quantum Numbers
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Shape of f (l = 3) orbitals

Slide 11

Energy Levels, Sublevels, Electrons

Energy Levels, Sublevels, Electrons

Slide 12

Magnetic Quantum Number

Magnetic Quantum Number

The magnetic quantum number, generally symbolized by m, denotes the orientation of the electrons orbital with respect to the three axes in space.

Slide 13

Orbital filling table

Orbital filling table

Slide 14

Electron Spin

Electron Spin

The Spin Quantum Number describes the behavior (direction of spin) of an electron within a magnetic field.

Possibilities for electron spin:

Slide 15

Pauli Exclusion Principle

Pauli Exclusion Principle

Two electrons occupying the same orbital must have opposite spins

Wolfgang

Pauli

Slide 16

Pauli Exclusion Principle

Slide 17

Exclusion Warning!

Exclusion Warning!

Assigning quantum numbers to electrons has been exluded and will not be tested!

The following slides are purely for your entertainment 

Slide 18

Assigning the Numbers

Assigning the Numbers

The three quantum numbers (n, l, and m) are integers.

The principal quantum number (n) cannot be zero.

n must be 1, 2, 3, etc.

The angular momentum quantum number (l ) can be any integer between 0 and n - 1.

For n = 3, l can be either 0, 1, or 2.

The magnetic quantum number (ml) can be any integer between -l and +l.

For l = 2, m can be either -2, -1, 0, +1, +2.

Slide 19

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