does silicon dioxide electrical conductivity in water
This means that, overall, the ratio is two oxygen atoms to each silicon atom, giving the formula SiO 2. Silicon dioxide is very hard. It has a very high melting point (1,610 Â°C) and boiling point (2,230 Â°C), is insoluble in water, and does not conduct electricity.These properties result from the very strong covalent bonds that hold the silicon and oxygen atoms in the giant covalent structure.ilicon dioxide. Much of the silicon and oxygen in the Earth's crust is present as the compound silicon dioxide also known as silica. Silicon dioxide has a giant covalent structure.