 |
| |||
| silicon A brittle metalloid element that exists in two allotropic forms; occurs principally in sand, quartz, granite, feldspar, and clay. It is usually a grey crystalline solid but is also found as a brown amorphous powder. It is used in transistors, rectifiers, solar cells, and alloys. Its compounds are widely used in glass manufacture, the building industry, and in the form of silicones | |||
| silicon | |||
|
silicium : 80 a las frases, 11 temas |
| Ambiente | 5 |
| Ciencias de la tierra | 8 |
| Ciencias de la vida | 1 |
| Ciencias naturales | 2 |
| Electrónica | 28 |
| General | 3 |
| Industria | 1 |
| Industria energetica | 1 |
| Metalurgia | 6 |
| Química | 18 |
| Tecnología de la información | 7 |