write two limitations of Mendeleev periodic table
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State two limitations of Mendeleev Periodic Table
Elements with large differences in properties were included in the same group. ...
No proper position could be given to the element hydrogen. ...
The increasing order of atomic mass was not strictly followed throughout.
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1)Elements with large differences in properties were included in the same group. for example, hard metals like copper and silver were included along with soft metals like sodium and potassium.
2)The increasing order of atomic mass was not strictly followed throughout. For example in cobalt and nickel & Tellurium and Indium.
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