PERIODIC TABLE

TERBIUM

• Element symbol: Tb
• Name: Terbium
• Atomic number: 65
• Atomic mass: 158.925

DISCOVERY

• Who?: Swedish chemist Carl Gustaf Mosander
• When?: 1843
• Where?: He detected it as an impurity in Yttrium oxide, Y2O3.

TERBIUM USES

• This element is a rare metal, so it has few commercial uses.
• Can be found in color television tubes
• Can also be found in fluorescent lamps