Question

what relation about elements did dobereiner want to establish?

Answer 1

when three elements are taken in the order of their increasing atomic masses the then the average mass of first and third element is equal to the second element

Answer 2

dorbereinier classification was named as doberinier triads .in this he form 9 tables of three elements in each as such a way that the avrage atomic maas of first and third is nearly equal to the second element in a triad.
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