R

Ram Sharma • 193.84K Points
Coach Science 

Q. The electronic configuration of an atom having atomic number '20' is

  • (A) 2, 10, 8
  • (B) 2, 8, 8, 2
  • (C) 2, 8, 10
  • (D) 2, 6, 8, 4
Correct Answer - Option(B)

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