Question

What are the demirt of dobereiner triads

Answer 1

Answer:

Drawbacks of Dobereiner's classification of elements was that it failed to arrange all the then known elements in the form of triads of elements having similar chemical properties. His classification was not applicable to all known elements but was limited only to a few elements.

Answer 2

Explanation:

the disadvantage is that he had not included all the elements existing at that time.Moreover the approximate value and the arithmetic mean of the atomic masses had a huge difference...