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词汇 Praeseodymium
分类 英语词汇 英语翻译词典
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Praeseodymium

英语百科

Praseodymium

Carl Auer von Welsbach (1858–1929), discoverer of praseodymium in 1885.
Monazite
Praseodymium-colored glass

Praseodymium is a chemical element with symbol Pr and atomic number 59. Praseodymium is a soft, silvery, malleable and ductile metal in the lanthanide group. It is valued for its magnetic, electrical, chemical, and optical properties. It is too reactive to be found in native form, and when artificially prepared, it slowly develops a green oxide coating.

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