3HN3
The chemical formula for sodium selenide is Na2Se.
This is not a chemical formula or equation.
Chemical formula compounds are H2O and C2
Cobalt phosphate has the chemical formula Co3(PO4)2.
It forms SnCl2 . It is called Stannous Chloride
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
Cl2
Cobalt phosphate has the chemical formula Co3(PO4)2.
C6H7Cl3 , trichloor-cyclohexene
CrO4-2
The chemical formula of lead tetroxide is Pb3O4.
Cr3br
The chemical formula K3PO4 is for tripotassium phosphate.
Al2S3 is the correct formula for aluminum sulfide.