Question

dobereniers tried achievement???​

Answer 1

Answer:

Achievements of Dobereiner's triads :

He grouped the elements with similar chemical properties into clusters of three called 'Triads'. ... When elements were arranged in order of their increasing atomic mass, the atomic mass of the middle element was approximately the arithmetic mean of the other two elements of the triad.

Answer 2

Explanation:

dominar grouped the element into triads dominar so that when the three element in a driver arrange in the order of increasing atomic mass is the atomic masses of the middle element was roughly the average of the atomic masses of the other two elements p