V is usually +5 and oxygen is -2 so overall charge on this ion is -1.
Nitride Ion.
The correct name for ClO- ion is hypochlorite ion.
Hypofluorite ion
The ion name for NO3 is nitrate.
The correct name for the cesium ion is "cesium ion" or "Cs+ ion".
The name of the compound VO3 is Vanadium trioxide. It is composed of one vanadium atom and three oxygen atoms.
This anion is called metavanadate.
Nitride Ion.
The correct name for ClO- ion is hypochlorite ion.
The ion name for NO3 is nitrate.
Hypofluorite ion
The correct name for the cesium ion is "cesium ion" or "Cs+ ion".
It is H2PO4- ion which is called Di-Hydrogen-Phosphate ion.
C2H3O2- is the acetate ion.
The name of the Mn2+ ion is manganese(II) ion.
The correct name of the ion Mg2+ is magnesium ion.
The full name of the fluorine ion is fluoride ion.