Name: Germanium
Symbol: Ge
Atomic Number: 32
Atomic Mass: 72.61 amu
Melting Point: 937.4 °C (1210.55 °K, 1719.3201 °F)
Boiling Point: 2830.0 °C (3103.15 °K, 5126.0 °F)
Number of Protons/Electrons: 32
Number of Neutrons: 41
Crystal Structure: Cubic
Density @ 293 K: 5.323 g/cm3
Color: grayish
Atomic Structure
![[Bohr Model of Germanium]](b0032.gif) |
Number of Energy Levels: 4 First Energy Level: 2 Second Energy Level: 8 Third Energy Level: 18 Fourth Energy Level: 4 |
Isotopes
| Isotope | Half Life |
| Ge-68 | 270.8 days |
| Ge-69 | 1.6 days |
| Ge-70 | Stable |
| Ge-71 | 11.4 days |
| Ge-72 | Stable |
| Ge-73 | Stable |
| Ge-74 | Stable |
| Ge-76 | Stable |
| Ge-77 | 11.3 hours |
Facts
Date of Discovery: 1886Discoverer: Clemens Winkler
Name Origin: From the Latin word Germania, meaning Germany
Uses: semiconductors
Obtained From: refining of copper, zinc, lead
Information provided by: http://www.chemicalelements.com