Question

Co2 is gas but Sio2 is gas. Give reason.

Answer 1

no Sio2 is solid.Only very weak dispersion intermolecular forces hold the molecules together and CO2 is a gas at room temperature. SiO2 is a network covalent solid. Each silicon makes four bonds by making four Si-O single bonds. The covalent network leads to a very strongly bonded solid with a very high melting point.

Answer 2

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