• Latin name:
  Praseodymium
• English name:
  Praseodymium
• Year discovered:
  1885
• Discovered by:
  André-Louis Debierne
• Country of Discovery:
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• Cost per 100 grams:
  265 USD
• CAS Number:
  CAS7440-10-0
• Electron shell:
  K2-L8-M18-N21-O8-P2-Q0-R0

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. It is valued for its magnetic, electrical, chemical, and optical properties.

• Atomic number:
  59
• Atomic weight (Relative atomic mass):
  140.907659640811 (g/mol)
• Density:
  6.77 (g/cm³)
• Melting point:
  935.0°C = 1715.00°F = 1208.15K
• Boiling point:
  3130.0°C = 5666.00°F = 3403.15K
• Valence electrons:
  3
• Period:
  6
• Group:
  
• Block:
  f - block
• Emission spectrum:
  

• Phase:
  Solid

  
• Fusion heat:
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• Specific heat:
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• Thermal expansion:
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• Vaporization heat:
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• Electron configuration:
  [Xe] 4f3 6s2 = 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f3 5s2 5p6 6s2
Oxidation states:

• -
• -
• -
• -
• -
• -
• -
• -
• +3
• +4
• -
• -
• -
• -
• -
• Ion charge:
  Pr³⁺
• The ionization potential of an atom:
  5.464 (eV)
• Atomic radius:
  247 (pm)
• Covalent radius:
  190 (pm)
• Van der Waals radius:
  239 (pm)

• Electrical conductivity:
  1428571.42857143 (S/m)
• Electrical type:
  Dielectric
• Magnetic type:
  ----
• Volume magnetic susceptibility:
  0.0028087
• Mass magnetic susceptibility:
  4.23 ⋅ 10^-7
• Molar magnetic susceptibility:
  5.9604 ⋅ 10^-8 (m³/mol)
• Resistivity:
  7 ⋅ 10^-7 (Ω · m)
• Superconducting point:
  ----

• Debye temperature:
  ----

• Colour:
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• CAS Number:
  CAS7440-10-0
• CID Number:
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• RTEC Number:
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• Brinell hardness:
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• Mohs hardness:
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• Vickers hardness:
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• Bulk modulus:
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• Young's modulus:
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• Liquid density:
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• Molar volume:
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• Poisson's ratio:
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• Shear modulus:
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• Speed of sound transmission:
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• Refractive index:
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• Thermal conductivity:
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• Electronegativity:
  1.13
• Valence electrons:
  3
• Electron affinity:
  10.539 kJ/mole

• Radioactive:
  No
• Half life:
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• Lifetime:
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• Neutron cross section, barn:
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• Universe contains "Praseodymium" at the rate of
  ----
• Sun contains "Praseodymium" at the rate of
  1 ⋅ 10^-5%
• Oceans contain "Praseodymium" at the rate of
  6.0 ⋅ 10^-9%
• Human body contains "Praseodymium" at the rate of
  ----
• The Earth's crust consists of "Praseodymium" at the rate of
  0.00092%
• Meteorites consist of "Praseodymium" at the rate of
  9.8 ⋅ 10^-6%