• Latin name:
  Rhodium
• English name:
  Rhodium
• Year discovered:
  1804
• Discovered by:
  William Hyde Wollaston
• Country of Discovery:
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• Cost per 100 grams:
  12300 USD
• CAS Number:
  CAS7440-16-6
• Electron shell:
  K2-L8-M18-N16-O1-P0-Q0-R0

Rhodium is a chemical element with symbol Rh and atomic number 45. It is a rare, silvery-white, hard, and chemically inert transition metal. It is a member of the platinum group.

• Atomic number:
  45
• Atomic weight (Relative atomic mass):
  102.905494087647 (g/mol)
• Density:
  12.41 (g/cm³)
• Melting point:
  1964.0°C = 3567.20°F = 2237.15K
• Boiling point:
  3695.0°C = 6683.00°F = 3968.15K
• Valence electrons:
  2, 3, 4, 6
• 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] 4d8 5s1 = 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d8 5s1
Oxidation states:

• 0
• -
• -
• -
• -
• -
• +1
• +2
• +3
• +4
• +5
• +6
• -
• -
• -
• Ion charge:
  Rh³⁺
• The ionization potential of an atom:
  7.459 (eV)
• Atomic radius:
  173 (pm)
• Covalent radius:
  134 (pm)
• Van der Waals radius:
  195 (pm)

• Electrical conductivity:
  23094688.221709 (S/m)
• Electrical type:
  Conductor
• Magnetic type:
  Paramagnetism
• Volume magnetic susceptibility:
  1.643 ⋅ 10^-4
• Mass magnetic susceptibility:
  1.36 ⋅ 10^-8
• Molar magnetic susceptibility:
  1.4 ⋅ 10^-9 (m³/mol)
• Resistivity:
  4.33 ⋅ 10^-8 (Ω · m)
• Superconducting point:
  ----

• Debye temperature:
  206.85°C = 404.33°F = 480K

• Colour:
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• CAS Number:
  CAS7440-16-6
• 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:
  2.28
• Valence electrons:
  2, 3, 4, 6
• Electron affinity:
  110.27 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 "Rhodium" at the rate of
  6 ⋅ 10^-8%
• Sun contains "Rhodium" at the rate of
  2 ⋅ 10^-5%
• Oceans contain "Rhodium" at the rate of
  ----
• Human body contains "Rhodium" at the rate of
  ----
• The Earth's crust consists of "Rhodium" at the rate of
  7 ⋅ 10^-8%
• Meteorites consist of "Rhodium" at the rate of
  1.8 ⋅ 10^-5%