Question

14. The base of classification of elements in
the Modern Periodic table is?
1. increasing order of atomic mass
2. increasing order of atomic number
3. decreasing order of atomic mass
4. decreasing order of atomic number ​

Answer 1

Answer:

here is your answer

Explanation:

The elements in the Modern Periodic Table are arranged on the basis of their Increasing atomic numbers. Statement

(i) and (ii)

are incorrect. Statement

(Iv) is true.

Isotopes were given the same position in Periodic Table, hence statement (iii) is incorrect.