Which of the following is the electronic configuration of sodium?

(Atomic number of Na = 11)

  • A 1s2 2s22p6 3s2
  • B 1s2 2s22p6 3s2 3p1s2 2s22p6 3s1
  • C 1s2 2s22p6 3s1
  • D 1s2 2s22p6 3s°
  • E 1s2 2s22p6 4s1

The correct answer is C. 1s2 2s22p6 3s1

No explanation given
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