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Germanium (Ge) properties


Atomic mass, symbol and atomic number

germanium is a naturally occurring element with the element symbol Ge and the atomic number 32. In the periodic table it stands with an atomic mass of 72.63 u in the 4th main group. The chemical element discovered by Clemens Winkler in 1886 is not radioactive and is in a solid state of aggregation at room temperature.

Characteristics: germanium

General
Chemical element:germanium
Symbol:Ge
Atomic number:32
Group:Carbon group
Period:4
Block:p-block
Series:semimetals
Appearance:silver
explorers:Clemens Winkler
Year of discovery:1886
Atomic properties
Atomic mass:72.63 u
Atomic radius:125 pm
Covalent radius:122 pm
Van der Waals radius:211 pm
Electron configuration:Ar 3d10 4s2 4p2
ionization:762 kJ / mol
Physical Properties
Physical state:firmly
Density:???
Crystal structure:diamond structure
Magnetism:diamagnetic
molar volume:13,63 · 10-6 m3/ mol
Mohs hardness:6,0
Melting point:938 ° C
Boiling point:2830 ° C
Heat of fusion:31.8 kJ / mol
Heat of vaporization:330 kJ / mol
Thermal conductivity:60 W
Chemical properties
electronegativity:2,01

Did you know that ...

  • Germanium has five naturally occurring isotopes?
  • the element was named after the homeland of the discoverer Clemens Winkler? (Latin Germania = Germany)
  • Although Germanium can be detected in the human body, but so far no function is known?