Frequently Asked Questions about Germanium
What is the atomic number of germanium?
Germanium has an atomic number of 32, meaning each atom contains 32 protons in its nucleus.
What is the atomic mass of germanium?
The standard atomic weight of germanium is 72.630 u (unified atomic mass units).
What category does germanium belong to?
Germanium is classified as a metalloid.
What is the state of germanium at room temperature?
Germanium is a solid at 20 °C (68 °F).
What is the melting point of germanium?
The melting point of germanium is 938.25 °C / 1211.4 K.
What is the boiling point of germanium?
The boiling point of germanium is 2832.85 °C / 3106 K.
What is the density of germanium?
The density of germanium is 5.32 g/cm³ (20°C).
What is the electronegativity of germanium?
Germanium has a Pauling electronegativity of 2.01.
What is the electron configuration of germanium?
The electron configuration of germanium is [Ar] 3d10 4s2 4p2.
What are the common oxidation states of germanium?
Germanium commonly exhibits the following oxidation states: −4, +2, +4.
When was germanium discovered?
Germanium was discovered in 1886 by Clemens Winkler.
Is germanium radioactive?
Germanium is a stable element with no naturally occurring radioactive isotopes.
What is the biological role of germanium?
No confirmed essential biological role.
What are the common uses of germanium?
Germanium is used for: Fiber optics; Infrared optics; Semiconductors; Solar cells.
