silicon tetrafluoride

noun

Chemistry.

1. a colorless, fuming gas, SiF 4 , used chiefly in the manufacture of fluosilicic acid.

Example Sentences

If the reaction is performed in the fluorspar tube, the resulting gaseous silicon tetrafluoride, SiF4, may be collected over mercury.

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Silicon dioxide, one of the most inert of substances at the ordinary temperature, takes fire in the cold in contact with fluorine, becoming instantly white-hot, and rapidly disappearing in the form of silicon tetrafluoride.

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When warmed in a glass vessel, the latter becomes etched, owing to the formation of silicon tetrafluoride, SiF4.

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