Which electron configuration is correct for the selenide ion, Se²-?[Ne] 3s? 3p?O 1s² 2s² 2p6 3s² 3p6 4s² 3d10 4p61s² 2s² 2p6 3s² 3p6 4s2 3d10 4p+[Ne] 3s? 3p* Choose the valence orbital diagram (the valence electrons) that represents theground state of Si. Note: ground state just means "regular" configuration. It does notchange anything.A)114s4pB)1 13s3pC)1L1L |1 14s4pD)1L1L 1L 1L4s4pE)1L1L 13s3p

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Which electron configuration is correct for the selenide ion, Se² ? P[Ne] 3s? 3p? D 1s2 2s? 2p6 3s2 3p6 4s2 3d10 4p6 D 1s² 2s² 2p6 3s2 3p6 4s2 3d10 4p4 [Ne] 3s? 3p*

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter11: Atomic Theory :the Quantum Model Of The Atom

Section: Chapter Questions

Problem 27E

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Question

100%

Which electron configuration is correct for the selenide ion, Se²-?
[Ne] 3s? 3p?
O 1s² 2s² 2p6 3s² 3p6 4s² 3d10 4p6
1s² 2s² 2p6 3s² 3p6 4s2 3d10 4p+
[Ne] 3s? 3p*

Choose the valence orbital diagram (the valence electrons) that represents the
ground state of Si. Note: ground state just means "regular" configuration. It does not
change anything.
A)
1
1
4s
4p
B)
1 1
3s
3p
C)
1L
1L |1 1
4s
4p
D)
1L
1L 1L 1L
4s
4p
E)
1L
1L 1
3s
3p

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