Which of the following electronic structures belongs to a noble gas?

  • A 1s22s2
  • B 1s 22s22p4
  • C 1s22s22p63s23p6
  • D 1s22s22p2
  • E 1s22s22p 63s23p3

The correct answer is C. 1s22s22p63s23p6

No explanation given
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