Q.

The atomic size of neon is [[1]] than fluorine. (greater/smaller)

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Detailed Solution

  • Neon is an inert gas while fluorine is a halogen. They both belong to period 2. 
  • The size of atoms of inert gases is greater than halogens of the same period. 
  • This is because the outermost shell of inert gases is complete. 
  • They have the maximum number of electrons in their outermost orbit thus the electronic repulsions are maximum. 
  • The effect of nuclear pull over the valence electrons is not seen.
  • So, the atomic size of neon is greater than fluorine.
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