" torder of electron affinity of the elements of oxygen family in the periodic tabl "

The correct order of electron affinity of the elements of oxygen family in the periodic table is

The correct order of electron affinity of the elements of oxygen family in the periodic table is

The correct order of negative electron gain enthalpy of the elements of oxygen family in the periodic table is :

Second electron affinity of an element

All the elements of oxygen family are

All the elements of oxygen family are

Second electron affinity of an element is