Question

process.
3. a) Write two achievements of Mendeleev's Periodic table.
the outermost sh​

Answer 1

Explanation:

Mendeleev's Periodic Law: "Properties of elements are the periodic function of their atomic masses."

Achievements:

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

(ii) It helped in the discovery of new elements.

(iii) it helped in the correction of the atomic mass of some of the elements.

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