Respuesta :

When calcium reacts with fluorine in a synthesis reaction, calcium fluoride or CaF2 is produced. This compound is a colorless, powdery, and insoluble substance. It is used as a coating in a wide variety of industries such as the windows and lenses industries. Also, it is used in different thermal imaging equipment, spectroscopy, and lasers because of its transparency.

its f2 to the ca +f2

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