Nb

NIOBIUM

Definition from 'niobe', daughter of king tantalus of greek myth.it burns when heated in air and resists the action of acids.

Discovery 1801 by charles hattchett of britain

Uses welding rods, superconductive magnets

Group of Elements Early transition metals(Solid)

Atomic Weight 92.90638

Oxidation State +3,5

Melting Point 2468

Boiling Point 4742

Density 8.66 g/cm3

Electronegativity 1.6