Praseodymium: Difference between revisions
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Revision as of 16:07, 10 May 2010
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Praseodymium is a chemical element, having the chemical symbol Pr.
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Its atomic number (the number of protons) is 59. It has a Standard Atomic Weight of 140.90765(2), and is typically found as a solid in its elemental form.
Praseodymium is considered to be a member of the "Lanthanide" class of elements, has a boiling point of 3,520 °C , and a melting point of 931 °C .