Question

please explain limitations of mendleev's periodic table

Answer 1

1.position of hydrogen..
2.Isomers posed a problem

Answer 2

Limitations of Mendeleev's Periodic Table. ... (ii) The isotopes of the same element will be given different position if atomic number is taken as basis, which will disturb the symmetry of the periodic table. (iii) The atomic masses do not increases in a regular manner in going from one elements to the next.