Question

state mendeleev's periodic law.

Answer 1

mandelerve,s periodic law are
there are satven periods and 14 column in periodic table he arrange element according to atomic number

Answer 2

When the elements are arranged in the increasing order of their atomic mass mendeleeve found that the elements with similar chemical properties repeat after a definite interval and h estated that
The physical and chemical properties of elements are periodic function of their atomic mass