Question

Explain merits
& demerits
of
Mendeleev's periodic table
​

Answer 1

Answer:

Merits of Mendeleev Periodic Table. Some gaps were left for the elements yet to be discovered. Thus, if a certain new element is discovered, it can be placed in a new group without disturbing any existing group.

Answer 2

Answer:

hope it helps ✌✌

Explanation:

Merits of Mendeleev's Periodic

Table:

Mendeleev was first to properly

arrange and classify all elements

and was able to explain the

periodicity in their chemical

properties.

Mendeleev left some gaps for

undiscovered elements. He

predicted that some elements

would be discovered in future. He

also predicted properties of those

undiscovered elements.

Demerits of Mendeleev's Periodic

Table:

Position of hydrogen was not

justified.

Increasing order of atomic mass

could not be maintained

throughout the table.

There is no place for isotopes.