Which one of the following statements for D.I. Mendeleeff, is incorrect?
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Preliminary work for his great textbook “Principles of Chemistry” led Mendeleev to propose the Periodic Law and to construct his Periodic Table of elements. At that time, the structure of atom was unknown and Mendeleev’s idea to consider that the properties of the elements were in someway related to their atomic masses was a very imaginative one.
You will notice from the modern Period Table (Fig.) that Mendeleev’s name has been immortalized by naming the element with atomic number 101, as Mendelevium.