Question

what was contribution of Doberiner towards classification of element​

Answer 1

Answer:

here is ur answer

Explanation:

Dobereiner discovered that the relative atomic mass of the middle element in each triad was close to the average of the relative atomic masses of the other two elements. This gave other scientists a clue that relative atomic masses were important when arranging the elements.

Answer 2

Answer:

That the relative atomic mass of the middle element in each triad was close to the average of the relative atomic masses of the other two elements.