You're really asking what are the chemical symbols for calcium and sulfur. They are Ca and S.
The chemical formula for sulfur is S and the chemical formula for zinc is Zn.
The chemical formula for sulfur tetrafluoride is SF4.
Formula: SO3
SO3 is the chemical formula for sulfur trioxide.
The chemical formula for sulfur pentafluoride is SF5.
CaO
The chemical formula for sulfur is S and the chemical formula for zinc is Zn.
The chemical formula for sulfur tetrafluoride is SF4.
Formula: SO3
The chemical formula of sulfur tribromide is SBr3.
SO3 is the chemical formula for sulfur trioxide.
The chemical formula for sulfur dibromide is SBr2.
The chemical formula for sulfur pentafluoride is SF5.
The chemical formula for sulfur chloride is S2Cl2.
The chemical formula for sulfur is S and for bromine is Br₂.
The chemical formula for tetra sulfur chloride is S4Cl4.
The chemical formula of sulfur dioxide is SO2 (not mono and di in the same name !).