MeSH definition : A radioactive element of the rare earth family of metals. It has the atomic symbol
Pm, and atomic number 61. It has been used in the construction of atomic batteries,
in the preparation of self-luminous compounds, and as a beta-particle source for thickness
gauges.;
MeSH CAS label : promethium;
MeSH Related Number : 7440-12-2 (Promethium);
Registry Number MeSH : 7440-12-2;
MeSH annotation : naturally radioactive; a rare earth metal; IM;
Wikipedia link : https://en.wikipedia.org/wiki/Promethium;
A radioactive element of the rare earth family of metals. It has the atomic symbol
Pm, and atomic number 61. It has been used in the construction of atomic batteries,
in the preparation of self-luminous compounds, and as a beta-particle source for thickness
gauges.