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Which of the following is the electronic configuration of sodium? (Atomic number of Na =…

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
Correct Answer: Option C
Explanation