• Latin name:
  Gadolinium
• English name:
  Gadolinium
• Year discovered:
  1886
• Discovered by:
  Jean Charles Galissard de Marignac
• Country of Discovery:
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• Cost per 100 grams:
  420 USD
• CAS Number:
  CAS7440-54-2
• Electron shell:
  K2-L8-M18-N25-O9-P2-Q0-R0

Gadolinium is a chemical element with symbol Gd and atomic number 64. It is a silvery-white, malleable and ductile rare-earth metal. It is found in nature only in combined (salt) form.

• Atomic number:
  64
• Atomic weight (Relative atomic mass):
  157.252129498784 (g/mol)
• Density:
  7.90 (g/cm³)
• Melting point:
  1312.0°C = 2393.60°F = 1585.15K
• Boiling point:
  3000.0°C = 5432.00°F = 3273.15K
• 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] 4f7 5d1 6s2 = 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f7 5s2 5p6 5d1 6s2
Oxidation states:

• -
• -
• -
• -
• -
• -
• -
• +2
• +3
• -
• -
• -
• -
• -
• -
• Ion charge:
  Gd³⁺
• The ionization potential of an atom:
  6.150 (eV)
• Atomic radius:
  233 (pm)
• Covalent radius:
  182 (pm)
• Van der Waals radius:
  237 (pm)

• Electrical conductivity:
  763358.778625954 (S/m)
• Electrical type:
  Conductor
• Magnetic type:
  Ferromagnetism
• Volume magnetic susceptibility:
  ----
• Mass magnetic susceptibility:
  ----
• Molar magnetic susceptibility:
  ----
• Resistivity:
  1.31 ⋅ 10^-7 (Ω · m)
• Superconducting point:
  ----

• Debye temperature:
  ----

• Colour:
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• CAS Number:
  CAS7440-54-2
• 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:
  1.2
• Valence electrons:
  3
• Electron affinity:
  13.22 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 "Gadolinium" at the rate of
  ----
• Sun contains "Gadolinium" at the rate of
  2 ⋅ 10^-5%
• Oceans contain "Gadolinium" at the rate of
  7 ⋅ 10^-9%
• Human body contains "Gadolinium" at the rate of
  ----
• The Earth's crust consists of "Gadolinium" at the rate of
  6.2 ⋅ 10^-4%
• Meteorites consist of "Gadolinium" at the rate of
  2.3 ⋅ 10^-5%