The elements P, Q and R are one of the Döbereiner's triad of elements – InterviewSolution

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1.	The elements P, Q and R are one of the Döbereiner's triad of elements in the increasing order of their atomic masses. If the atomic masses of P, Q and R are x, y and z respectively, then
Answer» The elements P, Q and R are one of the Döbereiner's triad of elements in the increasing order of their atomic masses. If the atomic masses of P, Q and R are $x, y$ and $z$ respectively, then

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