Question

State mendeleevs periodic law.what was the defect in it?How was this defect remove later on

Answer 1

According do mendleev' periodic laws "the chemical and physical properties of the elements are the periodic function of their atomic mass"

the defect was that their should be atomic number in place of atomic mass. It was corrected later by arranging the elements according to their atomic number in the modern periodic table.

HOPE IT HELPS

ADIOS

Answer 2

Mendeleevs periodic law states that the physical and chemical properties of the elements are the periodic function of their atomic weights

Defect was anomalous pair of elements and dissimilar elements placed together

This Defect was later removed by the invention of protons by HIS. JUST. Moseley