Question

state the law of Doberiener traids.give examples of it

Answer 1

arithmetic mean of other two element is equal to the mass of middle elements
example li na k

Answer 2

heya mate here is your answer ⬇️⬇️⬇️⬇️⬇️
according to the dobereiner traids
the atomic weight of the middle element is nearly the same as average of the atomic weights of other two elements.
for example
If we take lithium, sodium and potassium, the atomic weight of sodium is the mean of the atomic weights of lithium and potassium i.e., (7+ 39)/2 = 23.
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