Potassium oxide - K2O, Sodium phosphide - Na3P, Copper (I) chloride - CuCl, Niquel (II) oxide - NiO, Vanadium (III) sulfide - V2S3, Copper (II) chloride - CuCl2, Barium oxide - BaO, Aluminum bromide - AlBr3, Iron (III) oxide - Fe2O3, Iron (II) iodide - FeI2,

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