Ap Chemistry Michalek - Unit 7: Atomic Structure And Periodicity Worksheet Page 14
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29AP Chemistry--Michalek
14
Unit 7 Atomic Structure and Periodicity
Subshell
Magnetic Spin Quantum Number
7.6 Notes
Quantum numbers
o Orbitals made for the Schrödinger equation.
Principle quantum number (n)
o Energy level
o Related to the size and the energy of the orbital.
Angular momentum quantum number (l)
o Integers from 0 to n-1
o Related to the shape of the orbital
o s = 0
o p = 1
o d = 2
o f = 3
Magnetic quantum number (m
)
l
o Integer value between l and –l
o Related to the orientation of the orbital
Magnetic Spin (m
)
s
o Electrons need to spin opposite ways
o m
= -½ or ½
s
Example
For principle quantum level n = 5, determine the number of allowed subshells (l), and the given designation of each.
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