• Latin name:
  Yttrium
• English name:
  Yttrium
• Year discovered:
  1794
• Discovered by:
  Johan Gadolin
• Country of Discovery:
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• Cost per 100 grams:
  850 USD
• CAS Number:
  CAS7440-65-5
• Electron shell:
  K2-L8-M18-N9-O2-P0-Q0-R0

Yttrium is a chemical element with symbol Y and atomic number 39. It is a silvery-metallic transition metal chemically similar to the lanthanides and it has often been classified as a "rare earth element". Yttrium is almost always found combined with the lanthanides in rare earth minerals and is never found in nature as a free element.

• Atomic number:
  39
• Atomic weight (Relative atomic mass):
  88.9058381585322 (g/mol)
• Density:
  4.472 (g/cm³)
• Melting point:
  1526.0°C = 2778.80°F = 1799.15K
• Boiling point:
  2930.0°C = 5306.00°F = 3203.15K
• Valence electrons:
  3
• Period:
  5
• 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:
  [Kr] 4d1 5s2 = 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d1 5s2
Oxidation states:

• -
• -
• -
• -
• -
• -
• -
• -
• +3
• -
• -
• -
• -
• -
• -
• Ion charge:
  Y³⁺
• The ionization potential of an atom:
  6.217 (eV)
• Atomic radius:
  212 (pm)
• Covalent radius:
  176 (pm)
• Van der Waals radius:
  219 (pm)

• Electrical conductivity:
  1677852.34899329 (S/m)
• Electrical type:
  Conductor
• Magnetic type:
  ----
• Volume magnetic susceptibility:
  2.978 ⋅ 10^-4
• Mass magnetic susceptibility:
  6.66 ⋅ 10^-98/small>
• Molar magnetic susceptibility:
  5.921 ⋅ 10^-9 (m³/mol)
• Resistivity:
  5.96 ⋅ 10^-7 (Ω · m)
• Superconducting point:
  -271.85°C = -457.33°F = 1.3K

• Debye temperature:
  6.85°C = 44.33°F = 280K

• Colour:
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• CAS Number:
  CAS7440-65-5
• 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:
  1.22
• Valence electrons:
  3
• Electron affinity:
  29.6 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 "Yttrium" at the rate of
  7 ⋅ 10^-7%
• Sun contains "Yttrium" at the rate of
  9.9 ⋅ 10^-5%
• Oceans contain "Yttrium" at the rate of
  1.3 ⋅ 10^-7%
• Human body contains "Yttrium" at the rate of
  8.560922 ⋅ 10^-7%
• The Earth's crust consists of "Yttrium" at the rate of
  0.0033%
• Meteorites consist of "Yttrium" at the rate of
  1.9 ⋅ 10^-4%