Question

Give at least two merits
Mendeleev's
periodic table?​

Answer 1

Answer:

There were many vacant spaces in Mendeleev's periodic table for the elements to be discovered. He named them Eka-Boron, Eka-Aluminium and Eka-silicone He also predicted the properties of these undiscovered elements including atomic masses. ... Mendeleev's arrangement helped to correct atomic masses of a number of elements.

Answer 2

Answer:

Merits of Mendeleev Periodic Table.

1). 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.

2). Mendeleev could also predict the properties of these unknown elements, on the basis of the properties of the elements lying adjacent to these vacant spaces.