* * * * *
The fluoride ion
MgF2
F 1
The chemical symbol of hafnium is Hf
Formula: CuF
Manganese(II) Fluoride = MnF2Manganese(III) Fluoride = MnF3Manganese(IV) Fluoride = MnF4
HF
It stands for Hydro fluoride acid.Only 1st letter is capital in a symbol of an element.
The compound Hg2F2 is called mercury(I) fluoride. The compound HgF2 is called mercury(II) fluoride.
S2F6 , this is the correct formula for disulfur-hexa-fluoride
Formula = CF4 , it is also called Tetrafluoromethane