A-LevelChemistryAtomic structure9701/12 · May/June 2018 · Q21 Mark
The electronic configuration of an atom of sulfur is 1s²2s²2p⁶3s²3p⁴. How many valence shell and unpaired electrons are present in one sulfur atom? [Table with valence shell electrons and unpaired electrons]
A2
1
B4
2
C6
0
D6
2
✓ Correct answer
D: 6 2
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