Question

when was newland law of octaves given?

Answer 1

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☞ 1866

Answer 2

Answer:

1865

Explanation:

Law of octaves, in chemistry, the generalization made by the English chemist J.A.R. Newlands in 1865 that, if the chemical elements are arranged according to increasing atomic weight, those with similar physical and chemical properties occur after each interval of seven elements.

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