Sample Problem 8.1
Determining Quantum Numbers from Orbital Diagrams
PLAN:
SOLUTION:
Use the orbital diagram to find the third and eighth electrons.
The third electron is in the 2s orbital. Its quantum numbers are:
2
0
0
+1/2
The eighth electron is in a 2p orbital. Its quantum numbers are:
2
-1
-1/2
1
Up arrow = +1/2
Down arrow = -1/2
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