A) Fluorine
B) Chlorine
C) Sulphur
D) Xenon
Correct Answer: B
Solution :
The energy released or absorbed, on adding an electron into a neutral isolated gaseous atom in its ground state is called electron affinity. Electron affinity of \[F=332.6\text{ }kJ/mol\] Electron affinity of \[Cl=348.5\text{ }kJ/mol\] Electron affinity of \[S=200.7\text{ }kJ/mol\] Electron affinity of \[\text{O}=140.9\text{ }kJ/mol\]
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