o2
because think about it o is for oxygen and the the di in dioxide means 2 ( by the way oxide is oxygen)
The chemical formula (not symbol) of lead dioxide is: PbO2.
The oxygen ion is O(2-).
Nitraite = NO3 One Nitrogen atom (N) Three Oxygen atoms (O3)
the symbol for the magnesium ion is Mg2+
the chemical symbol for boron ion is B+++
The ion bromide is Br-.
The symbol for oxygen is O.
the symbol for Oxygen is O, the Oxygen ion is 2-. therefore the symbol for the oxygen ion is O2-
Nitraite = NO3 One Nitrogen atom (N) Three Oxygen atoms (O3)
Bromate is a polyatomic ion made of Bromine and oxygen: BrO3-
Permanganate Symbol is MnO4- Valency of the ion is -1, the manganese is +7 and the oxygen -2. Potassium Permanganate symbol is KMnO4.
the symbol of ion is base on the lemement that you are trying to fin out
Mg2+
O2- is the symbol for the oxide ion, which is an oxygen atom that has gained two electrons. The oxide ion has a charge of -2.
the chemical symbol for boron ion is B+++
the symbol for the magnesium ion is Mg2+
enter the symbol of a sodium ion followed by the formula of a sulfate ion
The symbol for an iodine ion is I- .
the chemical symbol for boron ion is B+++