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45 Rh

Rhodium

Transition Metal
Atomic Mass
102.91 u
Density
12.41 g/cm³ (at 20 °C)
Melting Point
1964 °C
Boiling Point
3695 °C
State
Solid
Discovery
1803

Discovery

Discovered by William Hyde Wollaston in 1803.

Common Uses

  • Used in catalytic converters in automobiles.
  • Used as an electrical contact material due to its excellent corrosion resistance.
  • Used in jewelry alloys to increase hardness and luster.
  • Used as a catalyst in various industrial chemical processes.

Interesting Facts

  • The name "rhodium" comes from the Greek word "rhodon," meaning "rose," due to the rose-red color of some of its salts.
  • It is one of the rarest and most valuable precious metals.
  • It has a high melting point and excellent resistance to high temperatures.
  • It is a noble metal, meaning it is resistant to corrosion and oxidation.
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