Can you briefly explain about Mendeleev table and also dobrenier triads ???
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Mendeleev's periodic law states that the properties of elements is depends on automic weights.
Mendeleev arrange the elements in assending order of their atomic weights.
Dobernier triads states that when arrange the three elements in the assending order of their atomic weights the average atomic weights of 1st and 3rd elements is equal to the atomic weight of middle element. or the the three element s have nearly equal atomic weights.
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