Germanium (Ge)
Element 32 · Metalloid
Germanium (Ge) is a chemical element with atomic number 32. It is classified as a metalloid in period 4, group 14 of the periodic table (the p-block). Its standard atomic weight is 72.630 u and its ground-state electron configuration is [Ar] 3d¹⁰ 4s² 4p².
Germanium facts
| Atomic number (Z) | 32 |
|---|---|
| Symbol | Ge |
| Standard atomic weight | 72.630 u |
| Category | Metalloid |
| Group | 14 |
| Period | 4 |
| Block | p-block |
| Electron configuration | [Ar] 3d¹⁰ 4s² 4p² |
| Electronegativity (Pauling) | 2.01 |
| State at 20 °C | Solid |
| Protons / electrons | 32 / 32 |
| Neutrons (most common isotope, approx.) | 41 |
| Molar mass | 72.63 g/mol |