What is dobereiner's triad?

Döbereiner's triads was an early attempt to sort the elements into some logical order by their physical properties, to form the periodic table. 

Dobereiner, in his law of triads, stated that the arithmetic mean of the atomic masses of the first and third element in a triad would be approximately equal to the atomic mass of the second element in that triad.

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Updated on: 10-Oct-2022

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