PROMETHIUM

WHAT PROMETHIUM IS FOR

• Used in luminous paint
• Used in atomic batteries
• Also used in devices that measure thickness of objects
• It is a solid
• Color varies

PROMETHIUM IS DANGEROUS

• Promethium is unstable
• It is radioactive
• It is a product of nuclear waste

PROMETHIUM

• The symbol is pm
• Color can be gray or silver and sometimes has a purple tint

RHODIUM

PHYSICAL PROPERTIES

• Solid
• Rh
• 45
• Silver

HISTORY

• William Hyde discovered it
• 1993
• South America

USES

• Catalytic converters on vehicles
• Used in jewelry