Wectar - Science - Chemistry - Elements - Niobium

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	It's Elemental: Niobium URL: http://education.jlab.org/itselemental/ele041.html ODP description: Basic physical and historical information. Page title: It's Elemental - The Element Niobium Page description: The Element Niobium - Basic Physical and Historical Information
	Lenntech: Niobium URL: http://www.lenntech.com/Periodic-chart-elements/Nb-en.htm ODP description: Physical data, chemical properties, and health effects. Page title: Niobium (Nb) - Chemical properties, Health and Environmental effects Page description: chemical properties, health and environmental effects of niobium
	WebElements: Niobium URL: http://www.webelements.com/webelements/elements/text/Nb/key.html ODP description: Extensive information on history, uses, occurrence, compounds, and properties of the element. Page title: Chemistry : Periodic Table : niobium : key information
	ChemGlobe: Niobium URL: http://partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/41.html ODP description: Electronic, thermal, and steric data along with a table of isotopes. Page title: Niobium [Nb] [41] - Chemical element datasheet - Periodic Table of the Elements - ChemGlobe
	ChemicalElements.com: Niobium URL: http://www.chemicalelements.com/elements/nb.html ODP description: Basic information, atomic structure, and isotopes. Page title: Chemical Elements.com - Niobium (Nb)
	USGS Minerals Information: Niobium URL: http://minerals.usgs.gov/minerals/pubs/commodity/niobium/ ODP description: Statistics and information on the worldwide supply, demand, and flow of the element (PDF format). Page title: USGS Minerals Information: Niobium (Columbium) and Tantalum Page description: Statistics and information on the worldwide supply, demand, and flow of Niobium (Columbium) and Tantalum
	Wikipedia: Niobium URL: http://en.wikipedia.org/wiki/Niobium ODP description: Properties of the element, including its history, applications, and characteristics. Page title: Niobium - Wikipedia, the free encyclopedia
	Visual Elements: Niobium URL: http://www.chemsoc.org/viselements/pages/niobium.html ODP description: Image, uses, general information, and ionisation energies. Page title: Visual Elements - Niobium
	EnvironmentalChemistry.com: Niobium URL: http://environmentalchemistry.com/yogi/periodic/Nb.html ODP description: Atomic structure, chemical and physical properties, and table of nuclides. Page title: Periodic Table of Elements: Niobium â Nb (EnvironmentalChemistry.com)
	LANL: Niobium URL: http://periodic.lanl.gov/elements/41.html ODP description: History, sources, properties, and uses. Page title: Niobium