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URL: http://education.jlab.org/itselemental/ele059.html
ODP description: Basic physical and historical information.
Page title: It's Elemental - The Element Praseodymium
Page description: The Element Praseodymium - Basic Physical and Historical Information

URL: http://www.lenntech.com/Periodic-chart-elements/Pr-en.htm
ODP description: Physical data, chemical properties, health and environmental effects.
Page title: Praseodymium (Pr) - Chemical properties, Health and Environmental effects
Page description: chemical properties, health and environmental effects of praseodymium

URL: http://partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/59.html
ODP description: Electronic, thermal, and steric data along with an isotope table.
Page title: Praseodymium [Pr] [59] - Chemical element datasheet - Periodic Table of the Elements - ChemGlobe

URL: http://www.chemicalelements.com/elements/pr.html
ODP description: Basic information, atomic structure, and isotopes.
Page title: Chemical Elements.com - Praseodymium (Pr)

URL: http://en.wikipedia.org/wiki/Praseodymium
ODP description: Properties of the element, including its history, applications, and characteristics.

URL: http://www.chemsoc.org/viselements/pages/praseodymium.html
ODP description: Image, source, uses, physical information, and key isotopes.
Page title: Visual Elements -Praseodymium

URL: http://www.webelements.com/webelements/elements/text/Pr/key.html
ODP description: Extensive information on history, uses, occurrence, compounds, and properties.
Page title: Chemistry : Periodic Table : praseodymium : key information

URL: http://environmentalchemistry.com/yogi/periodic/Pr.html
ODP description: Atomic structure, chemical and physical properties, and table of nuclides.
Page title: Periodic Table of Elements: Praseodymium – Pr (EnvironmentalChemistry.com)

URL: http://periodic.lanl.gov/elements/59.html
ODP description: History, uses, production, and properties.
Page title: Praseodymium



  
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