Chemistry, asked by aishwaryat2006, 11 months ago

What was the achievement of Mendeleev Periodic table with respect to: a) Noble gas discovery b) Not discovered elements?

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Answered by ardabmutiyaar

Answer:

Mendeleev left gaps in his table to place elements not known at the time. By looking at the chemical properties and physical properties of the elements next to a gap, he could also predict the properties of these undiscovered elements. ... The element germanium was discovered later.

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