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1992-09-08
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515b
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16 lines
DYSPROSIUM
Atomic symbol - Dy
Atomic weight - 162.50
Atomic number - 66
Electron configuration - 2-8-18-28-8-2
Oxidation states - +3
State of matter - solid
Heavy metal-brittle
Discovered in 1886 by P.-É. Lecoq de Boisbaudran
Boils at 2335 °C, melts at 1409 °C
Notes:
A hard and reactive metal, dysprosium has few uses. Its compounds can be used
as catalysts in oil refining, and components in some electronics. Near
absolute zero, dysprosium is superconducting.