Palladium (Pd) properties

Atomic mass, symbol and atomic number

palladium is a naturally occurring element with the element symbol Pd and atomic number 46. In the periodic table it stands with an atomic mass of 106.42 u in the 8th subgroup. The chemical element discovered by William Wollaston in 1803 is not radioactive and is in a solid state at room temperature.

Profile: Palladium (English Palladium)

Chemical element:palladium
Atomic number:46
Group:nickel group
Series:noble gases
Appearance:silvery with a light gold engraving
explorers:William Hyde Wollaston
Year of discovery:1803
Atomic properties
Atomic mass:106.42 u
Atomic radius:140 pm
Covalent radius:139 pm
Van der Waals radius:163 pm
Electron configuration:Kr 4d10 5s0
ionization:804.4 kJ / mol
Physical Properties
Physical state:firmly
Crystal structure:cubic
molar volume:8,56 · 10-6 m3/ mol
Mohs hardness:4,75
Melting point:1554 ° C
Boiling point:2960 ° C
Heat of fusion:16.7 kJ / mol
Heat of vaporization:380 kJ / mol
Thermal conductivity:72 W
Chemical properties

Did you know that ...

  • the discoverer William Hyde Wollasten discovered rhodium as well as palladium?
  • Russia and South Africa cover more than 3/4 of the global demand for palladium?
  • has the palladium price increased more than tenfold in the last 40 years?
  • White gold is partly made of palladium?