InterviewSolution
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InterviewSolution
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Why are the values of electron affinity of the IIA group and IIB group elements less than ero? |
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Answer» Solution :Electronic configuration of II A and II B group elements is `ns^(2)np^(0)`. ADDITION of an electron to these elements requires energy to overcome repulsive forces between completely filled ns electrons and electron GOING to be added. Hence, electron affinity VALUES are less than zero. |
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