Niobium
11 links
ChemGlobe: Niobium
partisans.spurious.biz
Electronic, thermal, and steric data along with a table of isotopes.
ChemicalElements.com: Niobium
chemicalelements.com
Basic information, atomic structure, and isotopes.
EnvironmentalChemistry.com: Niobium
environmentalchemistry.com
Atomic structure, chemical and physical properties, and table of nuclides.
USGS Minerals Information: Niobium
minerals.usgs.gov
Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).
WebElements: Niobium
ebelements.com
Extensive information on history, uses, occurrence, compounds, and properties of the element.
Wikipedia: Niobium
en.wikipedia.org
Properties of the element, including its history, applications, and characteristics.
Showing 20–11 of 11 results