Question

Why the modern pirodic table better than mabdeleev periodic table

Answer 1

Answer:

Explanation:

modern periodic table is better because

1. it is based on the property of atomic no. of an element and atomic no. is more fundamental property of an element than atomic mass because two elements can have same mass but atomic no. for each is different(atomic mass is used as fundamental property by mendeleev).

2.it explains cause of periodicity.

3. there is no sub grouping.