Question

the second period element for example'F' has less electron gain enthalphy than the third period element of the same group for example 'Cl'.why?​

Answer 1

Answer:

The second period element for example 'Fluorine' has less electron gain enthalpy than the third period element of the same group, for example,'Chlorine'. ... Chlorine has one more electron shell than fluorine, resulting in a greater shielding effect ie how much the other electrons repel in the incoming electron.

Answer 2

Explanation:

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