state Dobereiner law of triades giving one example.
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Answer: there is no law in doberniers triad
Explanation: 3 similar elements which when placed in increasing order of atomic weight. The middle element is the average of the other 2
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Dobereiner made groups of three elements each, having similar chemical properties and called them triads. 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 two elements.
Examples: Lithium (Li), Sodium (Na), Potassium (K) form Dobereiner's triad.
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