Uses

Important Compounds Containing Promethium

Promethium Trichloride, PmCl₃
Pm³⁺ + 3Cl^- --> PrCl₃

Promethium Sesquioxide, Pm₂O₃
2Pm³⁺ + 3O^2- --> Pm₂O₃

Promethium Nitride, PmN
Pm³⁺ + N^3- --> PmN
Promethium is used in luminescent paints and plastics. It is also in nuclear-powered batteries that need to operate constantly. It will soon be used as a heat source for space probes and satellites.