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Which of the following will have the mo...

Which of the following will have the most negative electron gain enthalpy and which the least negative ?
P,S,Cl,F. Explain your answer.

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Halogens have smaller size in their periods. Halogens need only one more electron to attain noble gas configuration. So halogens have high negative electron gain rnthaply
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A N EXCEL PUBLICATION-P-BLOCK ELEMENTS-QUESTION BANK
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