Saved Bookmarks
| 1. |
Read the following message passage and answer the followed by is silicates are a group of minerals which havegeneral formula SiO_(2) the most common of which is quartz. Quartz is a frame work silicate with SiO_(4) tetrahydra arranged in spirals. The spirals can turn in clockwise or anticlork wise direction a feature that result in there being two mirror images optically active varities of quartz Si_(3)O_(10)^(8-)(having three tetrahedral units ) is representedas |
|
Answer»
|
|