×
+ All Categories
Log in
English
Français
Español
Deutsch
The top documents tagged [formula of ordinary]
Home >
formula of ordinary
Silicon is a metalloid and has the second most abundance in earth crust after oxygen, It is not found in elemental form. It forms 95 % of the rocks in.
213 views
Silicon is a metalloid and has the second most abundance in earth crust after oxygen,
20 views