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.
Russian chemist Dmitri Mendeleev was first to publish a recognizable periodic table in 1869, developed mainly to illustrate periodic trends of the then-known elements. He also predicted some properties of unidentified elements that were expected to fill gaps within this table.