| Element (Atom) Name | Germanium |
| Symbol | Ge |
| Physical state at room temperature | Solid |
| Element Classification | Semi-metal |
| Group Name | None |
| Period Number (Periodic table) | 4 |
| Group number (Periodic table) | 14 |
| Atomic number | 32 |
| Atomic weight | 72.630 (Ref: Jlab-ele032, ciaaw-germanium, Nist-32) 72.64 (Ref: Lanl-32) |
| Atomic Radius | 211 pm (Van der Waals) (Ref: Lanl-32) |
| Density | 5.323 g/ml (Ref: Jlab-ele032) |
| Melting point | 938.25°C (Ref: Jlab-ele032, Lanl-32) |
| Boiling point | 2833°C (Ref: Jlab-ele032, Lanl-32) |
| Electron shell configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p2 |
| Oxidation States | +4, +2 (Ref: Jlab-ele032) 4, 3, 2, 1, 0, −1, −2, −3, −4 (an amphoteric oxide) (Ref: Lanl-32) |
| Ionization Energy | 7.900 eV (Ref: Jlab-ele032) 7.899435 eV (Ref: Nist-32) |
| Number of Stable Isotopes | 5 |
| InChI | InChI=1S/Ge (Ref: Pubchem-32) |
| InChI Key | GNPVGFCGXDBREM-UHFFFAOYSA-N (Ref: Pubchem-32) |
| Remarks |
REFERENCES
- Jlab-ele032: https://education.jlab.org/itselemental/ele032.html
- Lanl-32: https://periodic.lanl.gov/32.shtml
- ciaaw-germanium: https://www.ciaaw.org/germanium.htm
- Nist-32 : https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=32
- Pubchem-32: https://pubchem.ncbi.nlm.nih.gov/element/32
- science.co.il: https://www.science.co.il/elements/
NEWS
- Gallium and germanium: What China’s new move in microchip war means for world
https://www.bbc.com/news/business-66118831
