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How does silicon react with halogens when heated?

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A periodic table element square for silicon shows atomic number 14, symbol Si, atomic weight range, electron configuration, and name. Icons indicate it is a solid nonmetal with diamond crystal structure and equal relative strength. Labels explain each property. — silicon Chemical properties of the element silicon.

While elemental silicon is relatively inactive at ordinary temperatures, it reacts vigorously when heated with halogens—including fluorine, chlorine, bromine, and iodine—to form halides.1