Question

3 limitations of Mendeleev periodic table​

Answer 1

Answer:

Limitations of Mendeleev's Periodic Table

Mendeleev arranged 63 elements known at that time in the periodic table. ...

Limitations of mendeleev's classification :

(i) He could not assign a correct position of hydrogen in his periodic table, as the properties of hydrogen resembles both with alkali metals as well as with halogens.

Answer 2

1. Position of isotopes
2. Irregular increase in atomic masses in going from one element to the next making the prediction of undiscovered elements difficult
3. Position of hydrogen
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