Question

what are the advantages of Morden periodice table

Answer 1

6 ADVANTAGES OF THE MODERN PERIODIC TABLE



       The important advantages of themodern periodic table are given below :



This classification is based on the atomic number which is a more fundamental property of the elements.
Since this classification is based on the atomic number and not on the atomic mass, the position of placing isotopes at one place is fully justified.
It is easy to remember and reproduce.
The systematic grouping of elements into four blocks; s, p, d and f has made the study of the elements more simple.
The position of some elements which were misfit on the basis of atomic mass is now justified on the basis of atomic number. For example, argon precedespotassium because argon has atomic number 18 and potassium has 19.
The lanthanoids and actinoids which have properties different from other groups are placed separately at the bottom of the periodic table.

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Answer 2

1. All elements are fundamentally arranged according to their atomic number. So it becomes easy to understand and compare their properties, thereby making it easier to remember the position of the elements

2. The position of the elements in the periodic table makes it easy to predict and compare their properties, and explains the reason for their specific position in the periodic table.

3. It gives explanation for the periodicity of elements and tells the reason why all elements in a group having similar properties, which differ between the gropus and periods.

4. Positions of isotopes are taken care of within th elemen itself, unlike in Mendeleev periodic table.

5. In the Modern periodic table, the metals, non-metals, transition metals, gases are separately placed in a specific location with a specific identity.