32
Ge
72.63
Germanium (Ge)
Element 32 · Period 4 · Group 14
metalloid
solid at room temp
p-block
About Germanium
Semiconductor used in transistors and optical fibers. Predicted by Mendeleev.
Physical Properties
Atomic Mass
72.63 u
State at 25°C
Solid
Melting Point
938.25 °C
Boiling Point
2820 °C
Density
5.323 g/cm³
Magnetism
Diamagnetic
Atomic Properties
Electron Configuration
[Ar] 3d¹⁰ 4s² 4p²
Electron Shells
2, 8, 18, 4
Electronegativity
2.01
Atomic Radius
125 pm
Ionization Energy
762 kJ/mol
Oxidation States
+2, +4
Discovery & History
Discovered By
Clemens Winkler
Discovery Year
1886
Named By
Clemens Winkler
Name origin: Latin: Germania (Germany)
Frequently Asked Questions
- Is Germanium a metal, nonmetal, or metalloid?
- Germanium is classified as a metalloid.
- What state is Germanium in at room temperature?
- Germanium is a solid at standard room temperature (25°C).
- What is the atomic mass of Germanium?
- Germanium has an atomic mass of 72.63 atomic mass units (u).
- Who discovered Germanium?
- Germanium was discovered by Clemens Winkler in 1886.
- Where is Germanium on the periodic table?
- Germanium is element number 32, located in period 4 and group 14.