Firstly, it should be noted that the formula Si3O2 does not exist in chemistry. Normally, Silicon (Si), an element in the periodic table, typically combines with Oxygen (O) to form silicon dioxide (SiO2), an essential compound in nature and technology.
- Definition of SiO2
1.1 Names
1.1.1 Common name: Silicon dioxide
1.1.2 English name: Silicon dioxide
1.2 Atomic mass: The atomic mass of Si is 28.0855 and of O is 15.9994.
1.3 Molar mass: The molar mass of SiO2 is 60.08 g/mol.
1.4 Ion structure: SiO2 does not form ions but usually exists as a network of basic bonds.
- Properties of SiO2
2.1 Physical properties of SiO2
State: Crystalline solid or powder
Color: Colorless or white
Odor: Odorless
PH level: Neutral
2.2 Chemical properties of SiO2: SiO2 is not affected by water or most chemicals at room temperature. However, it can react with strong bases and strong acids such as hydrofluoric acid.
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Common chemical equations of SiO2
SiO2 does not easily react under normal conditions, but it can react with strong bases such as NaOH or strong acids like HF to form different products. -
Preparation of SiO2
4.1 Laboratory preparation of SiO2: SiO2 is usually obtained by burning silicon in the air.
4.2 Industrial preparation of SiO2: In the industry, SiO2 is prepared from silicate ores through a thermal process.