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Did Dobereiner’s triads also exist in the columns of Newlands’ Octaves? Compare and find out.


Answer :

Yes, Dobereiner’s triads existed in the columns of Newland’s Octaves.For example, the Dobereiner’s triad includes the elements lithium (Li), sodium (Na) and Potassium (K) in it's part. The same elements existed in second column of Newlands' classification too.

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