Helium atoms are chemically unreactive because

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Chemistry JAMB 1979

Helium atoms are chemically unreactive because

  • there are no electrons around the nucleus
  • the number of protons equals the number of electrons
  • there are equal number of protons and neutrons in the nucleus
  • the outer electron shell is completely filled checkmark
  • the atoms contain only protons

The correct answer is: D

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