Question

State Mendeleev’s periodic law. Write two achievements of Mendeleev’s periodic table​

Answer 1

Answer:

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==>Mendeleev’s Periodic Law: ‘Properties of elements are the periodic function of their atomic masses.

Achievements:

1) It could classify all the elements discovered at that time.

2) It helped in discovery of new elements.

3) It helped in correction of atomic mass of somd of the elements.

Answer 2

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