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InterviewSolution
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Dobereiner's triads could not arrange all the elements known at that time. |
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Answer» Solution :In Dobereiner.s triads, three elements were arranged in the ORDER of increasing atomic masses of elements in which the atomic mass of the MIDDLE element is the average of the atomic masses of the other two elements. Dobereiner could IDENTIFY triads from the elements known at that time was only a COINCIDENCE. Thus, this CLASSIFICATION of elements into triads could not be applied to all the elements known at that time. |
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