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Pm

61
Pm
Promethium
(145)

Promethium is highly radioactive. Only one isotope, Promethium-147, is found in nature, and only in trace amounts. Pm-147 has a half-life of 2.6234 years. Other isotopes which have been synthesized have longer half-lives.

Uses


Promethium at The Periodic Table of Videos (Alternate Version)