Q 01/05

What is Mendeleev best known for creating?

A) The first synthetic aniline dye

B) A version of the periodic table of elements

C) The kinetic theory of gases

D) The theory of atomic structure

Answer · why

B) A version of the periodic table of elements

He formulated the periodic law and used it to correct known elements and predict unknown ones.

Q 02/05

Which synthetic element, atomic number 101, is named after Mendeleev?

A) Ruthenium

B) Dubnium

C) Moscovium

D) Mendelevium

Answer · why

D) Mendelevium

It is a radioactive actinide usually made by bombarding einsteinium with alpha particles.

Q 03/05

Which three elements, unknown in 1869, did Mendeleev correctly predict the properties of?

A) Helium, neon and argon

B) Silicon, aluminium and boron

C) Germanium, gallium and scandium

D) Radium, polonium and actinium

Answer · why

C) Germanium, gallium and scandium

He called them ekasilicon, ekaaluminium and ekaboron.

Q 04/05

Near which Siberian city was Mendeleev born, in the village of Verkhnie Aremzyani?

A) Novosibirsk

B) Tobolsk

C) Irkutsk

D) Omsk

Answer · why

B) Tobolsk

His mother's family were Tobolsk merchants who founded the first Siberian printing house.

Q 05/05

How did the Mendeleev family acquire its surname?

A) Ivan was given it at seminary, after a local landlord

B) It was an ancient Tatar clan name

C) It was bestowed by Peter the Great on an ancestor

D) It means "table-maker" in old Russian

Answer · why

A) Ivan was given it at seminary, after a local landlord

Priests' children of the time were given new family names at the theological seminary; the grandfather was a priest named Sokolov.