• Latin name:
  Lutetium
• English name:
  Lutetium
• Year discovered:
  1906
• Discovered by:
  ----
• Country of Discovery:
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• Cost per 100 grams:
  ----
• CAS Number:
  CAS7439-94-3
• Electron shell:
  K2-L8-M18-N32-O9-P2-Q0-R0

Lutetium is a chemical element with symbol Lu and atomic number 71. It is a silvery white metal, which resists corrosion in dry, but not in moist air. It is considered the first element of the 6th-period transition metals and the last element in the lanthanide series, and is traditionally counted among the rare earths.

• Atomic number:
  71
• Atomic weight (Relative atomic mass):
  174.966816947491 (g/mol)
• Density:
  9.84 (g/cm³)
• Melting point:
  1652.0°C = 3005.60°F = 1925.15K
• Boiling point:
  3402.0°C = 6155.60°F = 3675.15K
• Valence electrons:
  3
• Period:
  6
• Group:
  
• Block:
  d - 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] 4f14 5d1 6s2 = 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d1 5f1 6s2
Oxidation states:

• -
• -
• -
• -
• -
• -
• -
• -
• +3
• -
• -
• -
• -
• -
• -
• Ion charge:
  Lu³⁺
• The ionization potential of an atom:
  5.426 (eV)
• Atomic radius:
  217 (pm)
• Covalent radius:
  174 (pm)
• Van der Waals radius:
  221 (pm)

• Electrical conductivity:
  1718213.05841924 (S/m)
• Electrical type:
  Conductor
• Magnetic type:
  ----
• Volume magnetic susceptibility:
  1.18 ⋅ 10^-5
• Mass magnetic susceptibility:
  1.2 ⋅ 10^-9
• Molar magnetic susceptibility:
  2.1 ⋅ 10^-10 (m³/mol)
• Resistivity:
  5.82 ⋅ 10^-7 (Ω · m)
• Superconducting point:
  -273.05°C = -459.49°F = 0.1K

• Debye temperature:
  ----

• Colour:
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• CAS Number:
  CAS7439-94-3
• 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:
  1.27
• Valence electrons:
  3
• Electron affinity:
  23.04 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 "Lutetium" at the rate of
  ----
• Sun contains "Lutetium" at the rate of
  1 ⋅ 10^-5%
• Oceans contain "Lutetium" at the rate of
  1.5 ⋅ 10^-9%
• Human body contains "Lutetium" at the rate of
  ----
• The Earth's crust consists of "Lutetium" at the rate of
  8.0 ⋅ 10^-5%
• Meteorites consist of "Lutetium" at the rate of
  2.9 ⋅ 10^-6%