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Nickel (Ni) properties

Nickel (Ni) properties


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Atomic mass, symbol and atomic number

nickel is a naturally occurring element with the element symbol Ni and the atomic number 28. In the periodic table it stands with an atomic mass of 58.693 u in the 8th subgroup. The chemical element discovered by Frederic Cronstedt in 1751 is not radioactive and is in a solid state of aggregation at room temperature.

Profile: Nickel (nickel)

General
Chemical element:nickel
Symbol:Ni
Atomic number:28
Group:nickel group
Period:4
Block:d-block
Series:Transition metals
Appearance:silver, metallic
explorers:Axel Frederic Cronstedt
Year of discovery:1751
Atomic properties
Atomic mass:58.693 u
Atomic radius:135 pm
Covalent radius:124 pm
Van der Waals radius:163 pm
Electron configuration:Ar 4s2 3d8
ionization:737.1 kJ / mol
Physical Properties
Physical state:firmly
Density:???
Crystal structure:cubic
Magnetism:ferromagnetic
molar volume:6,59 · 10-6 m3/ mol
Mohs hardness:4,0
Melting point:1455 ° C
Boiling point:2730 ° C
Heat of fusion:17.7 kJ / mol
Heat of vaporization:379 kJ / mol
Thermal conductivity:91 W
Chemical properties
electronegativity:1,91

Did you know that ...

  • Is there a copper alloy in all euro coins (1 cent to 2 euros)?
  • the three countries Australia, Canada and Russia are responsible for about half of the world's copper production?
  • Nickel was already used in ancient times as a coinage?
  • copper dissolved in water takes on a blue color?



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