Question

What are the drawbacks of mendleev's periodic table?

Answer 1

It could not specify a position for hydrogen.

It could not specify positions of isotopes, which had different atomic masses but similar properties.

Answer 2

$\huge \mathfrak \red{Bonjour!}$

$\huge \bold {Limitations :-}$

1) The position of Hydrogen is still isn't fixed

2) the position of isotopes is not shown

3)He used the basis of placeing as atomic masses (from lower to higher)due to which some elements with higher atomic mass are placed before followed by elements with lower atomic masses.

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