During his career, Robertson was a one-time NBA champion, one-time NBA MVP, and a twelve-time all-star. Robertson was inducted into the Naismith Memorial Basketball Hall of Fame in 1980 and is considered one of the greatest players to ever play the game.
The Russian chemist Dmitri Mendeleev was the first scientist to make a periodic table similar to the one used today. [citation needed] Mendeleev arranged the elements by atomic mass, corresponding to relative molar mass.
Confidence votes 19. Dimitri Mendeleev created the modern periodic table in 1869, which was arranged by atomic mass. In 1913, Henry Moseley published the results of his measurements of wavelengths of the X-ray spectral lines of a number of elements.onfidence votes 19. Dimitri Mendeleev created the modern periodic table in 1869, which was arranged by atomic mass. In 1913, Henry Moseley published the results of his measurements of wavelengths of the X-ray spectral lines of a number of elements.