Q. 6 A4.1( 93 Votes )

Write short notes.

Mendeleev’s periodic law.

Answer :

Mendeleev stated a periodic law. The law states that “Properties of elements are periodic function of their atomic masses.”


Mendeleev arranged the elements according to their properties and in order of increasing atomic weights.


In the Mendeleev’s periodic table, vertical columns are called groups and horizontal rows are called periods.


Atomic masses of some elements were rediscovered so as to give them proper place in the periodic table.


Mendeleev kept vacant places in the periodic table for elements not discovered till then.


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