Ru

RUTHENIUM

Definition from 'ruthenia' or russia. it is very hard metal, when alloyed with platinumit forms a first rate metal "hardener".

Discovery 1844 by karl karlovich klaus of russia

Uses eye treatment, catalyst

Group of Elements Late transition metals(Solid)

Atomic Weight 101.07

Oxidation State +3,4,6,8

Melting Point 2310

Boiling Point 3900

Density 12.1 g/cm3

Electronegativity 2.2