Sites:
| ChemGlobe: Praseodymium: Electronic, thermal, and steric data along with an isotope table. | | ChemicalElements.com: Praseodymium: Basic information, atomic structure, and isotopes. | | EnvironmentalChemistry.com: Praseodymium: Atomic structure, chemical and physical properties, and table of nuclides. | | It's Elemental: Praseodymium: Basic physical and historical information. | | LANL: Praseodymium: History, uses, production, and properties. | | Lenntech: Praseodymium: Physical data, chemical properties, health and environmental effects. | | Praseodymium: Data tables and historic information. | | Visual Elements: Praseodymium: Image, source, uses, physical information, and key isotopes. | | WebElements: Praseodymium: Extensive information on history, uses, occurrence, compounds, and properties. | | Wikipedia: Praseodymium: Properties of the element, including its history, applications, and characteristics. |
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Classical
