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InterviewSolution
| 1. |
(K) forme a suitable illustration of Dobereiner'slaw of triads.r ithium sodium and potassium form |
| Answer» <p>Dobereiner’s law of triads states that, the atomic mass of the middle element of a triad is the arithmetic mean of the atomic masses of the other two elements.Example:In the triad of lithium, sodium and potassium. The atomic mass of lithium is 7 and the atomic mass of potassium is 39. The average of masses of lithium and potassium gives atomic mass of sodium 23. </p> | |