What are the merits of Mendeleev’s Periodic Table?
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Explanation:
Some gaps were left for the elements yet to be discovered. Thus, if a certain new element is discovered, it can be placed in a new group without disturbing any existing group.
He observed that elements were arranged in the increasing order of atomic mass and therewas the periodic occurrence of elements with similar properties. According to this observation, he formulated a periodic law which states: “the properties of elements arethe periodic function of their atomic masses.”
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