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07/10/2021 4:11 pm
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Which group of elements could be placed in Mendeleev’s periodic table later on, without disturbing the original order? Give reason.
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07/10/2021 4:13 pm
Noble gases. Since they are chemically unreactive, so they got a place in the periodic table in the form of a separate group and hence did not disturb the original order of Mendeleev’s periodic table.