Chemistry, asked by pooj4337, 5 hours ago

নিউল্যান্ডের অষ্টক সূত্র কি

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Answered by animish0926
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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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