| Colorless Liquid | | Germaium is a _________. |
| Night vision | | Germanium is also used in infrared ________ systems. |
| Cost | | who predicted Germanium to exist? |
| melting point | | What is germanium named after? |
| Metalliod | | _________ is found in argyrodite, coal, germanite, zinc ores, and other minerals. |
| Dmitri Mendeleev | | The ________ of germanium is 72.59 |
| density | | The ________ of germanium is 535 g/cm. |
| transistor | | Germanium was aslo used in _________ communication networks. |
| Eighteen Eighty Six | | Germanium tetrachloride is a ________ used as a reagent in fiber optics. |
| Fiber Optics | | The development of the germanium________opened the door to countless applications of solid state electronics. |
| Germanium | | The existence of this element was proven in what year? |
| atomic mass | | This is the chemical formula for what? GeO2 |
| Germanium Oxide | | The ________of germanium is 947 c |
| Germany | | The ____ of germanium is $.88 a gram. |