Question

what re merits of periodic table ? ​

Answer 1

Answer:

grouping of element :- he generalized the study of elements then known to a study of eight groups

gaps for undiscovered element :- in order to make sure that elements having similar properties will in same vertical column or groups and leave left some gaps in periodic table these steps were left for subsequent inclusion of element not too known at that time Mendeleev correctly thought that such element would be discovered later

prediction of properties of undiscovered element

Answer 2

Answer:

ADVANTAGES OF THE PERIODIC TABLE:

1. It is easier to remember the properties of an element if its position in the periodic table is known.
2. The periodic table has made the study of chemistry systematic and easy. ...
3. The type of compounds formed by an element can be predicted by knowing it position in the periodic table.

Hope this will help you.