Which group of elements could be placed in Mendeleev’s periodic table later on, without disturbing the original order ?
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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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
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