Which of the following elements has the electronic configuration:1s22s22p63s23p1? [11Na, 13A1, 14N,16S]

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Chemistry WAEC 2009

Which of the following elements has the electronic configuration:1s22s22p63s23p1? [11Na, 13A1,
14N,16S]

  • Al checkmark
  • Na
  • N
  • S

The correct answer is: A

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