Three elements P,Q,R form a Dobereiner triad. the atomic weights of Pand R 35 and 127 respectively. find the atomic weight of Q?Immersive Reader
(1 Point)
121
81
120
40
Answers
Answered by
0
Answer: 81
Explanation: According to Dobereiner, the atomic weight of the central element was merely the arithmetic mean of atomic weights of the other two elements.
Atomic weight of Q= P+R/2
= 35+127/2
=162/2
=81
Answered by
0
Answer:
81
Explanation:
frm the observations that we get frm doberniers traids is the atomic weight of middle element is nearly equal to averge of other two elements
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