what is the merides of mendelevs periodic table!?
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1) Mendeleev was the first scientist who successfully classified all known elements.
2)There were some vacant spaces in the period which were kept blank for the elements that were yet to be discovered. Mendeleev also predicted the properties of them and later they were found to be correct .
Eka Boron =====> Scandium
Eka Silicon =====> Germanium
Eka Aluminium =====> Gallium
3)The noble gases were placed in the Mendeleev's periodic table without disturbing the position of the elements.
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