Lu

LUTETIUM

Definition from 'lutecia' an ancient name of paris. it is the heaviest and and most expensive of rare earth elements.

Discovery 1907

Uses polymentzation, hydrogenation

Group of Elements Lanthanide(Solid)

Atomic Weight 174.9668

Oxidation State +3

Melting Point 1656

Boiling Point 3315

Density 9.84 g/cm3

Electronegativity 1.2