Question

The classification of elements as per which of the following laws has shown the periodicity

of elements for the first time?


(A) Dobereiners law of triads (B) Mendeleev’s periodic law

(C) Newland’s law of octaves (D) Modern periodic law​

Answer 1

Answer:

(B) Mendeleev’s periodic law

Explanation:

firstly during the year of 1869 to1872 A.D mandlev 's laws has shown the periodicity of elements for the first time

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