Question

the law of dobereiner's triad with one example
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Answer 1

Answer:

He arranged the three elements in a triad in an increasing order of atomic mass and showed that the atomic mass of the middle element was approximately equal to the mean of the atomic masses of the other elements. Examples : Lithium (Li), Sodium (Na), Potassium (K) from Dobereiner's tried.

Step-by-step explanation:

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