1.

Modern periodic table takes care of three limitations of Mendaleeus table biodic table. Whatwere those ?​

Answer»

the three laminations are: Position of HYDROGEN => Position of hydrogen in the perodic table is Uncertain , Because hydrogen is placed in 1 A group with Alkali metals . Position of isotopes => isotopes haven't been GIVEN separate place in perodic table .Cause of periodicity => MENDELEEV could not explain the cause of periodicity . Separation of SIMILAR elements => some dissimilar elements have been placed TOGETHER .



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