Nickel

Atomic number: 28

Symbol: Ni

Category: transition metal

Density at 25°C: solid:  8.908 g·cm−3

Nickel is rare in it's pure form on the surface of the Earth but found more commonly as part of meteorites. It is thought that even areas where nickel is found it is likely to have come from the impact of a meteorite. In addition the Earth's core suggests it is composed of iron and nickel mixture.

Nickel is also quite magnetic at room temperature.

Chuck of nickel. image: adapted from wikipedia


Use, natural applications or common combinations: 

  • Alloys
  • Corrosion resistance
  • Magnets
  • Nickel(III) oxide, is used as the cathode in many rechargeable batteries
  • Nickel is found in sea urchins to turn carbon dioxide into shell.Ref: BBC News


Basic characteristics:

  • Standard atomic weight: 58.6934(4)
  • Melting point: 1455 °C
  • Boiling point: 2913 °C
  • Radioactivity:  almost all stable naturally
    • some have very long half lives but in trace amounts