Rh

RHODIUM

Definition from 'rhodon' or rose. a very durable metal, insoluble in ordinary acids adn very difficult to fuse.

Discovery 1803 by william hyde of britian

Uses headlight reflectors, spark plugs

Group of Elements Late transition metals(Solids)

Atomic Weight 102.9055

Oxidation State +3,4

Melting Point 1966

Boiling Point 3727

Density 12.44 g/cm3

Electronegativity 2.2