10. Periodic Properties of the Elements
The Electron Configuration: Ions
Multiple Choice
Multiple ChoiceWhat is the full electron configuration of the selenide ion?
A
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p4
B
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6
C
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p4 5s2
D
1s2 2s2 2p6 3s2 3p6 4s2 3d8 4p4 5s2 5p2
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