Question

how are the defects of position of isotopes solved in modern periodic table​

Answer 1

Explanation:

Position of isotopes –

The isotopes of same element will be given different position if atomic mass is the basis of classification. In modern periodic table isotopes are placed in one position. So this problem is removed.

Answer 2

Answer:

2) Position of isotopes –

The isotopes of same element will be given different position if atomic mass is the basis of classification. In modern periodic table isotopes are placed in one position. So this problem is removed.