Why noble gases were not mentioned in Mendeleev periodic table
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Mendeleev would have no clear reason to suspect there were missing elements when they can be separated by multiple units. But he did notice trends, and was able to predict some holes based on those trends. The entire column of noble gases, though, could be missed because it was a periodic gap, not a gap in the period.Jan 30, 2018
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the noble gasses were not mentioned in Mendeleev periodic table because when he made the table the noble gasses were not found but after they were found he made place for it without disturbing any elements in the table
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