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Date May 2016 Marks available 1 Reference code 16M.1.sl.TZ0.6
Level SL Paper 1 Time zone TZ0
Command term Deduce Question number 6 Adapted from N/A

Question

Which electron configuration is correct for the selenide ion, Se2−?

A.  1s2 2s2 2p6 3s2 3p6 4s2 4d10 4p4

B.  1s2 2s2 2p6 3s2 3p6 4s2 4d10 4p6

C.  1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p4

D.  1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6

Markscheme

D

Examiners report

[N/A]

Syllabus sections

Core » Topic 2: Atomic structure » 2.2 Electron configuration
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