alleryStart learning →Which condensed electronic configuration belongs to sodium (Z = 11)?
A[He] 2s1
B[Ne] 3s2
C[Ne] 3s1
D[Ar] 4s1
Answer & Solution
Correct answer: C. [Ne] 3s1
Sodium has 11 electrons: the neon core of 10 plus one in 3s.
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