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  • Give an account of the process adopted by Mendeleev for the classification of elements. How did he arrive at “Periodic Law”

Give an account of the process adopted by Mendeleev for the classification of elements. How did he arrive at “Periodic Law”?

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When Mendeleev was working with the periodic table, only 63 elements were known to mankind. He focused on the masses of the elements as well as the nature of the compounds formed when these reacted with oxygen and hydrogen. He grouped the elements which had similar oxide and hydride formations under same group and arranged them according to their atomic masses.
Elements with similar properties were arranged in a group.
Mendeleev observed that elements were automatically arranged in the order of increasing atomic masses

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