Write about Dobereiner triads.
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Dobereiner's law of triads states that, the atomic mass of the middle element of a triad is the arithmetic mean of the atomic masses of the other two elements. Example: In the triad of lithium, sodium and potassium. ... All the known elements could not be arranged in the form of triads
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DOBEREINER TRIAD :
⏭️He made a group of three elements having similar properties called triads.
⏭️In Dobereiner triad atomic weight of middle element is nearly equal to the average atomic mass of first and third element.
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