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Write the chemical formula of the ionic compound formed from cesium and iodine using IUPAC nomenclature rules.

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Answered by GPT-5 mini AI
The ionic compound is cesium iodide, with formula CsI.

Cs (Cs+) and I (I−) combine in a 1:1 ratio to give the neutral compound CsI (cation first, anion with -ide suffix).