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Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page ![[Bohr Model of Niobium]](http://www.chemicalelements.com/elements/nb.html/../bohr/b0041.gif)
Number of Energy Levels: 5First Energy Level: 2Second Energy Level: 8Third Energy Level: 18Fourth Energy Level: 12Fifth Energy Level: 1IsotopesIsotopeHalf LifeNb-9014.6 hoursNb-91700.0 yearsNb-91m62.0 daysNb-923.6E7 yearsNb-92m10.13 daysNb-93StableNb-93m16.1 yearsNb-9420000.0 yearsNb-94m6.26 minutesNb-9534.97 daysNb-95m3.61 daysNb-9623.4 hoursNb-971.23 hoursNb-97m58.1 secondsFactsDate of Discovery: 1801Discoverer: Charles HatchetName Origin: After Niobe, daughter of mythical king (Tantalus)Uses: No uses knownObtained From: columbiteRelated LinksNone available.MLA Format for Citing This PageBentor, Yinon. Chemical Element.com - Niobium. <http://www.chemicalelements.com/elements/nb.html>. For more information about citing online sources, please visit the MLA's Website. This page was created by Yinon Bentor. Use of this web site is restricted by this site's license agreement. Copyright © 1996-2006 Yinon Bentor. All Rights Reserved. 