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silicon dioxide is an extended covalent network. Even amorphous SiO2 contains many atoms bonded together. They large covalent networks are too heavy to be maintained in solution by hydrogen bonds with the water.

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13y ago
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11y ago

compounds will not dissolve in water because water is polar.

silicon is the most abundant element on earth after oxygen. Large amounts of silicon can be found in various minerals and it is abundant in oceans and nearly all other waters as silicic acid. In the surface layers of oceans silicon concentrations are 30 ppb, whereas deeper water layers may contain 2 ppm silicon. Rivers generally contain 4 ppm silicon. Silicon is usually not ionized when dissolved; it is present as ortho silicic acid (H4SiO4 or Si(OH)4). These compounds are the result of slow dissolution of silica in water. Rivers transport large amounts of silicon to sea. Most likely, less than 20% of dissolved silicon is removed from rivers by means of biological or chemical transformation processes.

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12y ago

It is an insoluble compound, so it can't dissolve in water.

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14y ago

It is insoluble in water.

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Q: Why does silicon dioxide not dissolve in water?
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Related questions

Can silicon dixoide dissolve in water?

Only extremely small amounts of silicon dioxide can be dissolved in water, so SiO2 is considered insoluble in water.


What is silicon dioxide soluble in?

The only chemical which effectively dissolves silicon dioxide is hydrofluoric acid. But note that silicon dioxide does dissolve to a very slight extent in water. The beaches are not dissolving away into the ocean, but some tiny amount of silicon dioxide is dissolving.


Is silicon dioxide a sulfite?

No, Silicon dioxide does not dissolve in water. Better said, much less than glass does (glass is solid solution of silicon dioxide and alkaline metal oxides)


Is silicon dioxide soluble in non polar benzene?

No, silicon dioxide forms a network covalent structure, and so doesn't dissolve in anything:


What is the solubility of silicon dioxide?

It is the basis of glass and is extremely insoluble in water and most other solvents. HF would be needed to dissolve it.


Is silicon dioxide magnetic and soluble in water?

No. Silicon dioxide, the main component of glass, is nonmagnetic and is insoluble in water.


Does silicon dissolve in water to form an electrolyte?

I think it might dissolve in water or somthing else


Which of the following shows a chemical reaction in which silane and oxygen are the reactants and silicon dioxide and water are the products?

silane + oxygen → silicon dioxide + water


Will NO2 dissolve in water?

Nitrogen dioxide is hydrolyzed in water.


How could you separate dichlorobenzene from silicon dioxide?

Sodium chloride and ammonium chloride dissolve in water. Take your mixture stir it in warm water and filter. Wash the filtrate with warm water, then dry of the filtrate.


Is silicon dioxide a atom?

No, silicon dioxide is a molecule.


Is silicon dioxide a compound or a mixture?

Silicon dioxide is a compound.