Question

what are the limitations of mendeleef periodic law

Answer 1

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(C) Anomalous pairs of elements : In certain pair of elements, the increasing order of atomic masses was not obeyed. In these, Mendeleev placed elements according to similarities in their properties and not in increasing order of their atomic masses. (D) Some similar elements are separated: In the periodic table.

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Answer 2

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Its easy Buddy

Limitations were
ANOMALOUS PAIR of element was not given proper place

He was not able to explain POSITION OF HYDROGEN

He could not justify POSITIONS OF ISOTOPES

He SEPARATED CHEMICALLY SIMILAR ELEMENTS
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