" 3(a) State Mendeleev's Periodic Law."

State Mendeleev's period law.

(a) State Mendeleev's periodic law. (b) Describe about the merits of Mendeleev's periodic table.

(a) Which two criteria did Mendeleev use to classify the elements in his periodic table ? (b) State Mendeleev's periodic law. (c) Why is it not possible to give a fixed position to hydrogen in Mendeleev's periodic table ?

Define Mendeleev's Periodic Law

Sate Mendeleev periodic law ?

What is Mendeleev's Periodic law?