bn:00006889n
Noun Concept
Categories: Chemical elements with double hexagonal close-packed structure, Lanthanides, Chemical elements, Praseodymium, Reducing agents
EN
praseodymium  Pr  atomic number 59  59Pr  element 59
EN
A soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process WordNet 3.0
English:
element
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EN
A soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process WordNet 3.0 & Open English WordNet
Praseodymium is a chemical element with the symbol Pr and the atomic number 59. Wikipedia
Symbol Pr, a chemical element Wikipedia Disambiguation
Chemical element with symbol Pr and atomic number 59, silvery white lanthanide. OmegaWiki
A chemical element (symbol Pr) with an atomic number of 59, a soft, silvery, malleable and ductile metal, valued for its magnetic, electrical, chemical, and optical properties. Wiktionary
Chemical element. Wiktionary (translation)
WordNet 3.0 & Open English WordNet
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