InterviewSolution
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InterviewSolution
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The similarity between Li to group 1 and Mg of group 2 is called a diagonal relation. It arises becauseA. Li and Mg atoms have similar sizesB. Li ad Mg ions have similar sizesC. Li and Mg have similar sizesD. all of these |
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Answer» Correct Answer - D On descending a group, the atoms and ions increase in size. On moving from left to right in the periodic table, the size decreases. Thus, on moving diagonally, the size reains nearly the same: `r(Li)=152pm,r(Mg)=160pm` `r(Li^(+))=76pm,r(Mg^(2+))=72pm` Similarly, on moving diagonally, the electrongetivities remains nearly the same. `{:(Li,Be),(1.0,1.5),(Na,Mg),(0.9,1.2):}` |
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