Physics, asked by arawal498, 8 months ago

Three elements A, B and C form a Dobereiner's triad.
The atomic mass of elements A and Care 35.5 u and
126.9 u respectively. The atomic mass of middle
element B is

Answers

Answered by Anonymous

0

Dobereiner said that the average masses of the first and the third element is equal to the second element mass .

35.5 + 126.9/2 = 76.2

Ans = Mass of Element B is 76.2

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