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Q.

Which of the following elements has zero electron affinity?

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a

Neon

b

Chlorine

c

Fluorine

d

Oxygen

answer is C.

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Detailed Solution

  • Zero group elements, which have stable electronic configurations have zero electron affinity.
  • They do not have a tendency to gain an electron. 
  • Hence, Neon's electron affinity is zero
  • Neon has zero electron affinity, which is because Neon(Ne) is a noble gas and the noble gases do not have a tendency to gain an electron.
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