Question

Give One Example Of Dobereiner Triad

Answer 1

Answer: Li,Na and K with atomic weights 7,23 and 39 g/mol respectively.

Explanation:

Dobereiner's Triads are groups of three elements arranged in such a way that the atomic weight of the middle element is almost the average of the other two.

Answer 2

Example: In the triad of lithium, sodium and potassium. ... This law did not hold good for elements with very low or very high atomic mass

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