Science, asked by ammal5085, 5 months ago

(1) The three triads identified by Döbereiner are
(a) N, P, As; He, Ne, Ar; Ca, Sr, Ba (b) Li, Na, K, N, P, As: Cl. Br. 1
(c) Li, Na, K, Ca, Sr, Ba; CI, Br, I (d) Be, Mg, Ca: N. P. As: CL Br. 1​

Answers

Answered by yadavs4837
5

Answer:

In the Doberiener's triad, all three elements have similar properties and the atomic weight of the middle member of each triad is very close to the arithmetic mean (average) of the other two elements.

The Dobereiner's triads include (1) Li, Na, K (2) Ca, Sr, Ba and (3) Cl, Br, I.

Answered by pranjalkatkar
3

Answer:(b) Li, Na, K, N, P, As: Cl. Br. 1

Explanation:

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