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