The electronic configuration of an element X is 1s22s 22s63p 2 3p4. It can be…

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Chemistry WAEC 2005

The electronic configuration of an element X is 1s22s 22s63p 2 3p4. It can be deduced that X

  • Belongs to group 6 of the Periodic Table checkmark
  • Belongs to group IV of the Periodic Table
  • has 3 unpaired electrons in its atom
  • has relative molecular mass of 16

The correct answer is: A

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