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9. Electrons in Atoms and the Periodic Table - Part 3 of 4
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Problem 36
9. Electrons in Atoms and the Periodic Table - Part 3 of 4
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9. Electrons in Atoms and the Periodic Table / The Electron Configuration: Exceptions (Simplified) / Problem 4
Problem 4
Using Hund's rule, what is the electron configuration for oxygen (atomic number 8)?
A
1s
2
2s
1
2p
5
B
1s
2
2s
2
2p
4
C
1s
2
2s
2
2p
5
D
1s
2
2s
2
2p
3
3s
1
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