Select the correct statement(s)A. The value of electron gain enthalpy of an element can be -ve or +ve .B. In the perodic table , metallic character of the elements increases down the group and decreases across the periodC. the `Cl^(-)` & `S^(2-)` are isoelectronic species but first one is not smaller in size than the secondD. Ionization enthalpy of an atom is equal to electron gain enthalpy of its cation .

Select the correct statement(s)A. The value of electron gain enthalpy

1.	Select the correct statement(s)A. The value of electron gain enthalpy of an element can be -ve or +ve .B. In the perodic table , metallic character of the elements increases down the group and decreases across the periodC. the `Cl^(-)` & `S^(2-)` are isoelectronic species but first one is not smaller in size than the secondD. Ionization enthalpy of an atom is equal to electron gain enthalpy of its cation .
Answer» Correct Answer - A::B::D

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