 |
| Name |
germanium |
| Symbol |
Ge |
| Atomic Weight |
72.64 |
| Atomic Number |
32 |
| CAS ID |
7440-56-4 |
| Group Number |
14 |
| Group Name |
(none) |
| Period Number |
4 |
| Origin of Name |
Latin, Germania = "Germany." |
| Year Discovered |
1886 |
| Discovery Credits |
C. A. Winkler at Freiberg, Germany. |
| Class |
Semi-Metallic |
| Color |
Grayish White |
| Standard State |
Solid at 77 F & 298 K |
| Description |
Ultra pure it is a silvery white brittle metalloid element. Stable in
air and water, unaffected by acids, except nitric, and alkalis. Used in
semiconductors, alloys, and special glasses for infrared devices. Diagnostic tests:
There are no simple chemical tests for germanium. Atomic Absorption
Spectroscopy is used for quantitative analysis and Energy Depressive Analysis of X-rays
(EDAX) is used for qualitative analysis.
|
Back to Elements Table Page
| |
