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

Chemistry
JAMB 1981
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
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Correct Answer: Option C
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