Question

how could modern periodic table remove various analogies of mendelevs periodic table

Answer 1

in mendeleev's periodic table their come anomalous pair which depends on the no of isotopes and% of that isotopes in atmosphere these two things doesn't reflect atomic structure of the element /atom and it came in fraction (atomic mass does not clearly explained all the properties of elements, although atomic no does this explanation) as modern periodic table remove mendeleev's periodic analogies