• Latin name:
  Cerium
• English name:
  Cerium
• Year discovered:
  1803
• Discovered by:
  ----
• Country of Discovery:
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• Cost per 100 grams:
  38 USD
• CAS Number:
  CAS7440-45-1
• Electron shell:
  K2-L8-M18-N19-O9-P2-Q0-R0

Cerium is a chemical element with symbol Ce and atomic number 58. It is a soft, silvery, ductile metal which easily oxidizes in air. Cerium was named after the dwarf planet Ceres (itself named after the Roman goddess of agriculture).

• Atomic number:
  58
• Atomic weight (Relative atomic mass):
  140.115695483639 (g/mol)
• Density:
  6.77 (g/cm³)
• Melting point:
  795.0°C = 1463.00°F = 1068.15K
• Boiling point:
  3443.0°C = 6229.40°F = 3716.15K
• Valence electrons:
  3, 4
• 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] 4f1 5d1 6s2 = 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f2 5s2 5p6 6s2
Oxidation states:

• -
• -
• -
• -
• -
• -
• -
• -
• +3
• +4
• -
• -
• -
• -
• -
• Ion charge:
  Ce³⁺
• The ionization potential of an atom:
  5.539 (eV)
• Atomic radius:
  158 (pm)
• Covalent radius:
  184 (pm)
• Van der Waals radius:
  235 (pm)

• Electrical conductivity:
  1207729.46859903 (S/m)
• Electrical type:
  Conductor
• Magnetic type:
  Paramagnetism
• Volume magnetic susceptibility:
  0.0014716
• Mass magnetic susceptibility:
  2.2 ⋅ 10^-7
• Molar magnetic susceptibility:
  3.0826 ⋅ 10^-8 (m³/mol)
• Resistivity:
  8.28 ⋅ 10^-7 (Ω · m)
• Superconducting point:
  -273.13°C = -459.63°F = 0.022K

• Debye temperature:
  ----

• Colour:
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• CAS Number:
  CAS7440-45-1
• 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:
  1.12
• Valence electrons:
  3, 4
• Electron affinity:
  55.0 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 "Cerium" at the rate of
  ----
• Sun contains "Cerium" at the rate of
  4 ⋅ 10^-5%
• Oceans contain "Cerium" at the rate of
  1.2 ⋅ 10^-8%
• Human body contains "Cerium" at the rate of
  5.707281354 ⋅ 10^-5%
• The Earth's crust consists of "Cerium" at the rate of
  0.00665%
• Meteorites consist of "Cerium" at the rate of
  7.5 ⋅ 10^-5%