Question

(a) A, B and C are the elements of a Dobereiner's triad. If
the atomic mass of A is 7 and that of C is 39, what
should be the atomic mass of B?

(b) Why was Dobereiner's triad discarded ?​

Answer 1

Hii please mark me as brainliest


Olease

Answer 2

Answer:

hi mate here's ur answer

B=24