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Science: Chemistry: Elements: Niobium:
See also:
- ChemGlobe: Niobium - Electronic, thermal, and steric data along with a table of isotopes..
- ChemicalElements.com: Niobium - Basic information, atomic structure, and isotopes..
- EnvironmentalChemistry.com: Niobium - Atomic structure, chemical and physical properties, and table of nuclides..
- It's Elemental: Niobium - Basic physical and historical information..
- LANL: Niobium - History, sources, properties, and uses..
- Lenntech: Niobium - Physical data, chemical properties, and health effects..
- USGS Minerals Information: Niobium - Statistics and information on the worldwide supply, demand, and flow of the element (PDF format)..
- Visual Elements: Niobium - Image, uses, general information, and ionisation energies..
- WebElements: Niobium - Extensive information on history, uses, occurrence, compounds, and properties of the element..
- Wikipedia: Niobium - Properties of the element, including its history, applications, and characteristics..
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