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: Which of the following willP, S, CI, F. Explain your answer.Electron gain enthalpy generally becomes more negative across a period as we moveto right within a group, electron gain enthalpy becomes less negative down the groupadding an electron to the 2p-orbital leads to greater repulsion than adding an electron to3p-orbital. Hence, the most negative electron gain enthalpy is of chlorine and the leaselectron gain enthalpy is of phosphorus.Try Yourself17. Which among the following elements will have a positive electron gain enthalpy?B, C, N, O.18. S has more negative electron gain enthalpy than O why?ronegativitynegativity of an element is the tendency of an atom to attract the shared pair of electronsqualitative measure, because unlike ionization enthalpy and electron gain enthalpy whic |
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