• Latin name:
  Tellurium
• English name:
  Tellurium
• Year discovered:
  1782
• Discovered by:
  ----
• Country of Discovery:
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• Cost per 100 grams:
  33.3 USD
• CAS Number:
  CAS13494-80-9
• Electron shell:
  K2-L8-M18-N18-O6-P0-Q0-R0

Tellurium is a chemical element with symbol Te and atomic number 52. It is a brittle, mildly toxic, rare, silver-white metalloid. Tellurium is chemically related to selenium and sulfur.

• Atomic number:
  52
• Atomic weight (Relative atomic mass):
  127.603126893528 (g/mol)
• Density:
  6.24 (g/cm³)
• Melting point:
  449.51°C = 841.12°F = 722.66K
• Boiling point:
  988.0°C = 1810.40°F = 1261.15K
• Valence electrons:
  2, 4, 6
• Period:
  5
• Group:
  VIA
• Block:
  p - 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] 4d10 5s2 5p4 = 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p4
Oxidation states:

• -
• -1
• -2
• -
• -
• -
• +1
• +2
• -
• +4
• -
• +6
• -
• -
• -
• Ion charge:
  Te^2-
• The ionization potential of an atom:
  9.010 (eV)
• Atomic radius:
  123 (pm)
• Covalent radius:
  137 (pm)
• Van der Waals radius:
  206 (pm)

• Electrical conductivity:
  10000.0 (S/m)
• Electrical type:
  Conductor
• Magnetic type:
  Diamagnetism
• Volume magnetic susceptibility:
  -2.43 ⋅ 10^-5
• Mass magnetic susceptibility:
  -3.9 ⋅ 10^-9
• Molar magnetic susceptibility:
  -4.98 ⋅ 10^-10 (m³/mol)
• Resistivity:
  0.0001 (Ω · m)
• Superconducting point:
  ----

• Debye temperature:
  ----

• Colour:
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• CAS Number:
  CAS13494-80-9
• 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:
  2.1
• Valence electrons:
  2, 4, 6
• Electron affinity:
  190.161 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 "Tellurium" at the rate of
  9 ⋅ 10^-7%
• Sun contains "Tellurium" at the rate of
  ----
• Oceans contain "Tellurium" at the rate of
  ----
• Human body contains "Tellurium" at the rate of
  9.9877424 ⋅ 10^-5%
• The Earth's crust consists of "Tellurium" at the rate of
  1.0 ⋅ 10^-7%
• Meteorites consist of "Tellurium" at the rate of
  2.1 ⋅ 10^-4%