Question

explain dobereiner traids​

Answer 1

Answer:

dobereiner tried to arrange the elements according to their increasing atomic masses.he told that they can be arranged in the form of triads. he said that average sum of two extreme elements in a triad is equal to the atomic mass of the element in the middle.

ex.li na k forms a triad. But it was not successful for many other elements.

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Answer 2

Answer:

it was groups of three elements of which the mean of atomic masses of 1st and 3rd is equal to of 2nd(middle)element.

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