Halogens have maximum negative electron gain enthalpy in the respective periods of the periodic table. Why?
(N/A) Halogens have the smallest size in their respective periods and therefore high effective nuclear charge. As a consequence,they readily accept one electron to acquire noble gas electronic configuration.
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Which of the following pairs of elements would have a more negative electron gain enthalpy?
$(i)$ $O$ or $F$
$(ii)$ $F$ or $Cl$
$(i)$ $O$ or $F$
$(ii)$ $F$ or $Cl$
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View SolutionIdentify the correct order of electron gain enthalpy (electron affinity) for the elements $Be, B, C, N$.
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View SolutionThe correct order of electron gain enthalpy is
When an electron is added to elements of group $16$ and $17$ in $n = 2$ and $n = 3$ shells,which case experiences less electron-electron repulsion and why?
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