Question

three merits of modern periodic table

Answer 1

Answered Nov 15, 2017 · Author has 75answers and 146.5k answer views

Originally Answered: What are the merits and demerits of the modern periodic table?

Merits are:-

1. The classification of elements is based on the atomic number, which is a more fundamental property.

2. It explains the periodicity of the properties of the elements and relates them to their electronic configurations.

3. The reason for placing isotopes at one place is justified as the classification is on the basis of atomic number.

4. The position of the elements that were misfits on the basis of mass number (anomalous pairs like argon and potassium) could be justified on the basis of atomic number.

5. The lanthanides and actinides are placed separately at the bottom of the

periodic table.

6. The table is simple, systematic and easy way for remembering the properties of various elements as it is based on the elec