Chemistry, asked by saxenakabeer4819, 9 months ago

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 HermioneGrangerM
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 shubulone123
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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