Canadian Medical Guide > Chemicals and Drugs > Inorganic Chemicals > Elements > Lanthanoid Series Elements > Erbium Terms and Definitions
Erbium
Medical Definition: | Erbium. An element of the rare earth family of metals. It has the atomic symbol Er, atomic number 68, and atomic weight 167.26. | |
Guide Notes: | a rare earth metal; Er-166; Er-162, 164, 167, 168, 170 = ERBIUM (IM) + ISOTOPES (NIM); Er-158-161, 163, 165, 169, 171, 172 = ERBIUM (IM) + RADIOISOTOPES (IM) | |
CAS Type 1 Name: | CAS Number: | 7440-52-0 |
Erbium Medical Definitions and Terms
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