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Properties, Uses and Interesting Facts About Praseodymium



Photographes retrieved from http://www.angrysquirrelstudio.com/praseodymium-the-classic-periodic-table-illustrated/
- Praseodymium is a chemical element with symbol Pr and atomic number 59.
- Praseodymium is a soft, silvery, malleable and ductile metal in the lanthanide group.
- Praseodymium is valued for its magnetic, electrical, chemical, and optical properties.
- Praseodymium reacts slowly with oxygen: when exposed to air it forms a green oxide that does not protect it from further oxidation.
- Praseodymium is more resistant to corrosion in air the other rare metals, but it still needs to be stored under oil or coated with plastic.
- Praseodymium reacts rapidly with water.
- A major use of Praseodymium is in a pyrophoric alloy used in cigarettes lighter flints.
- Praseodymium is used in a variety of alloys.
- Praseodymium oxide is used in carbon electrodes for arc lighting, and it is know for its ability to give glass a nice yellow colour.
- Salts of praseodymium are used to color glasses and enamels; when mixed with certain other materials, praseodymium produces an intense and unusually clean yellow color in glass. Didymium glass, of which praseodymium is a component, is a colorant for welders goggles.
- Praseodymium can be used as alloying agent with magnesium to create high strenght metals that are used in aircraft engines
- Praseodymium is used in carbon arc electrodes for studio lighting and projection.
- Praseodymium is also used in alloys for permanent magnets.
- Praseodymium is one of the rare chemicals, that can be found in houses in equipment such as colour televisions, fluorescent lamps, energy-saving lamps and glasses.
- Praseodymium is one of the more abundant of rare-earth elements. It is four time more abundant than tin
- Praseodymium is considered to be moderately toxic.

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