The electronic configuration of an element X is 1s 2 2s 2 2p 6 3s

CHEMISTRY
WAEC 2005

The electronic configuration of an element X is 1s22s22p63s23p4. It can be deduced that X

  • A. Belongs to group 6 of the Periodic Table
  • B. Belongs to group IV of the Periodic Table
  • C. has 3 unpaired electrons in its atom
  • D. has relative molecular mass of 16

Correct Answer: A. Belongs to group 6 of the Periodic Table



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