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- #Some p-Block elements
The one with lowest negative electron affinity in group 16 is:
Option: 1
Oxygen
Option: 2
Sulphur
Option: 3
Selenium
Option: 4
Tellurium
Answers (1)
Because of small size of oxygen atom, addition of additional electron is not much favourable. On moving down the group size of p-orbitals increases, and it can easily accommodate the additional electron. Therefore, among group 16 elements, O has lowest electron affinity. Higher the stability of anion formed, higher is the negative value of electron affinity.
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