What is the name of the compound \(\mathrm{SI}_{6}\)?
Answer:
The name of the compound \(\mathrm{SI}_{6}\) is sulfur hexiodide.
Explanation:
Since sulfur and iodine are nonmetals, this is a binary molecular compound. A binary molecular compound is named so that its subscript numbers are indicated as Greek prefixes in its name. However, if the first element has a subscript of 1 (understood), the prefix mono – is not used. The name of the second element in the compound loses one or two syllables, and it ends with the suffix \(\text { (-ide) }\). The compound \(\mathrm{SI}_{6}\) is named sulfur hexiodide, as the prefix for \(6\) is hexa -, and the name for iodine is changed to iodide.
