Arsenic pentachloride i think.
The formula name for CuCl2 is copper(II) chloride. It indicates that copper is in its 2+ oxidation state in the compound.
The systematic name for COSO3 is carbonyl sulfite.
The systematic name of K2SeO4 is potassium selenate.
The systematic name for IF3 is iodine trifluoride.
The systematic name for gypsum is calcium sulfate dihydrate.
cuci2 is nothing. CuCl2 with a lowercase L is copper II chloride.
The formula name for CuCl2 is copper(II) chloride. It indicates that copper is in its 2+ oxidation state in the compound.
Copper (II) Chloride
Copper (II) chloride
The systematic name for IF3 is iodine trifluoride.
The systematic name for KCl is potassium chloride.
The systematic name of K2SeO4 is potassium selenate.
The systematic name for COSO3 is carbonyl sulfite.
The systematic name for ICI3 is trichloroiodomethane.
The systematic name for gypsum is calcium sulfate dihydrate.
The systematic name of "cuclo" is not provided. If you provide the complete molecular structure, I can help you determine the systematic name of the compound.
Copper (II) chloride