Is it true Gold and platinum atomic weight is corrected by the Mendeleev?

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True

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Detailed Solution

The above statement is true.
Based on the placements of the elements in the periodic table, Mendeleev's periodic table assisted in correcting the atomic masses of some of the elements. For instance, beryllium's atomic mass was changed from 13.5 to 9.0. Indium, gold, and platinum atomic masses were also revised. Major accomplishments of Mendeleev’s periodic table include its ability to categorise all then-known elements. New elements were discovered as a result of it. It assisted in the adjustment of several elements' atomic masses. So, based on the evidence provided, we can conclude that the stated situation is accurate.

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