Question

Difference between Mendeleev's periodic table mordern perodic tablec​

Answer 1

Answer:

In Mendeleev's periodic table there were gaps for undiscovered elements. Modern periodic table maintains uniformity. In Mendeleev's periodic table noble gases were not placed (as they are not discovered at that time). In Modern periodic table noble gases in a seperate group named as group-18.

Answer 2

Answer:

In Mendeleev's periodic table there were gaps for undiscovered elements. Modern periodic table maintains uniformity. In Mendeleev's periodic table noble gases were not placed (as they are not discovered at that time). In Modern periodic table noble gases in a seperate group named as group-18.