1. Mendeleev - Noun
2. Mendeleev - Proper noun
Russian chemist who developed a periodic table of the chemical elements and predicted the discovery of several new elements (1834-1907)
Source: WordNetAlthough earlier precursors to this presentation exist, its invention is generally credited to the Russian chemist Dmitri Mendeleev in 1869, who intended the table to illustrate recurring trends in the properties of the elements. Source: Internet
Although predecessors of Brauner's 1902 arrangement are recorded from as early as 1895, he is known to have referred to the "chemistry of asteroids" in an 1881 letter to Mendeleev. Source: Internet
Although precursors to this table exist, its invention is generally credited to Russian chemist Dmitri Mendeleev in 1869. Source: Internet
At the time of his formulation in 1871, Mendeleev believed that the elements were ordered by their atomic masses and placed lanthanum (element 57) in the spot below zirconium. Source: Internet
Dmitri Mendeleev claimed that he arranged his first periodic tables in order of atomic weight ("Atomgewicht"). Source: Internet
Dmitri Mendeleev had sixty-six elements in his periodic table of 1869. Source: Internet