Hard Hard difficulty. Dmitri Mendeleev Who proposed Henri Moissan over Mendeleev for the 1906 Nobel Prize in Chemistry? Answer Peter Klason Draw the answer
Hard Hard difficulty. Dmitri Mendeleev What main-belt asteroid is named after Dmitri Mendeleev? Answer 2769 Mendeleev Draw the answer
Hard Hard difficulty. Dmitri Mendeleev In what year did Dmitri Mendeleev become a Doctor of Science? Answer 1865 Draw the answer
Easy Easy difficulty. Dmitri Mendeleev What leadership job did Mendeleev's father Ivan hold at Russian gymnasiums? Answer school principal Draw the answer
Hard Hard difficulty. Dmitri Mendeleev In 1902, Mendeleev placed helium and argon in which group? Answer Group 0 Draw the answer
Intermediate Intermediate difficulty. Dmitri Mendeleev Who isolated scandium oxide in late 1879, confirming eka-boron? Answer Lars Fredrik Nilson Draw the answer
Intermediate Intermediate difficulty. Dmitri Mendeleev What provisional name in Mendeleev's predictions corresponds to technetium? Answer eka-manganese Draw the answer