the most common is ClS2, but you also get Cl2S8
H2O is 2 hydrogens plus 1 oxygen and that makes the chemical formula for water.
2KI + Cl2 = 2KCl + I2
The formula for salt is NaCl, and chlorine is not harmful to us in ion form, if it was gas it would be a different story. Plus there is only a tiny amount.
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Copper sulfide. Depending on the valence of copper, you could have CuS or Cu2S
Cl2
The chemical reaction is:2 SO2 + O2 ↔ 2 SO3
2 AlBr3 + 3Cl2 -> 2AlCl3 + 3Br2
Sodium plus Chlorine is Sodium Chloride.Chemical fomula is NaCl.
AgCl
The chemical formula for sodium selenide is Na2Se.
H2O is 2 hydrogens plus 1 oxygen and that makes the chemical formula for water.
This is not a chemical formula or equation.
Chemical formula compounds are H2O and C2
zinc, hydrogen and chlorine
Cobalt phosphate has the chemical formula Co3(PO4)2.
C6H7Cl3 , trichloor-cyclohexene