Question

on what does mendalev periodic law based​

Answer 1

Mendeleev's periodic law is based on Atomic Weight. When we state Mendeleev's periodic law, the properties of elements are a periodic function of their atomic masses. It was the discovery of atomic number which led to a change in Mendeleev's periodic law which was based on atomic mass.

Answer 2

Answer:

Mendeleev's periodic law is based on Atomic Weight. When we state Mendeleev's periodic law, the properties of elements are a periodic function of their atomic masses. ... According to Mendeleev, the properties of elements are a periodic function of their atomic weights.