Meaning of RUTHENIUM in English


Name: ruthenium

Symbol: Ru

Atomic number: 44

Atomic weight: 101.07 (2) g

Group in periodic table: 8

Group name: Precious metal

Period in periodic table: 5

Block in periodic table: d-block

CAS registry ID: 7440-18-8

Ruthenium is a hard, white metal. It does not tarnish at room temperatures, but oxidises in air at about 800°C. The metal is not attacked by hot or cold acids or aqua regia, but when potassium chlorate is added to the solution, it oxidises explosively.

Chemistry of the elements English vocabulary.      Английский словарь химии элементов.