Cr^+2 is the symbol for the Chromium(II) ion
The ion bromide is Br-.
The symbol for the fluoride ion is F-.
The symbol for the iodine ion is I-.
The symbol for a chlorine ion is Cl-.
the chemical symbol for boron ion is B+++
Cr+2
the symbol of ion is base on the lemement that you are trying to fin out
the symbol for Oxygen is O, the Oxygen ion is 2-. therefore the symbol for the oxygen ion is O2-
The ion bromide is Br-.
The symbol for a chlorine ion is Cl-.
The symbol for the iodine ion is I-.
The symbol for the fluoride ion is F-.
the chemical symbol for boron ion is B+++
Cr(NO3)2
enter the symbol of a sodium ion followed by the formula of a sulfate ion
The symbol for hydroxide ion is OH-.
The symbol for the chloride ion is Cl-.