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Science: Chemistry: Elements: Lanthanides
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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.
Lenntech: Praseodymium
- Physical data, chemical properties, health and environmental effects.
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.
