PRASEODYMIUM
Praseodymium
Praseodymium is a chemical element that has the symbol Pr and atomic number 59. Praseodymium is a soft, silvery, malleable and ductile metal in the lanthanide group. It is too reactive to be found in native form, and when artificially prepared, it slowly develops a green oxide coating.The above text is a snippet from Wikipedia: Praseodymium
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praseodymium
Noun
- A metallic chemical element (symbol Pr) with an atomic number of 59.
The above text is a snippet from Wiktionary: praseodymium
and as such is available under the Creative Commons Attribution/Share-Alike License.