InterviewSolution
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InterviewSolution
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Generally electron affinity values of elements decrease from top to bottom in a groupof non metallic element .However elements of 2nt period have lowerelectron affinity values than do the corresponding element of 3rdperiod .comment on this statement |
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Answer» Solution :(i) comparison of atomic size of 2nd and 3rd period elements (ii) effect of number of electrons on size (iii) ENERGY CHANGES that TAKE PALCE by the addition of an electron in the III SHELL and the II shell |
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