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A hydrogen carbonate ion has the formula HCO3- so the valency of a hydrogen carbonate ion is -1.
Formula: AlO2-
Na+ valency is one
Zinc has a valency of 2. It is represented by the symbol Zn.
NaAlO2
I think the formula of aluminate is AlO2 and valency is 1
Al(OH)4 -1
The formula for a sulphate ion is SO42- so the valency of a sulphate ion is -2.
A hydrogen carbonate ion has the formula HCO3- so the valency of a hydrogen carbonate ion is -1.
Zincate ion has the valency of 2 as the formula is [Zn(OH)4]2- or simply ZnO22-.
The formula for the nitrate ion is NO3- so the valency is -1.
I think you meant sodium aluminate. Well it is Na2Al2O3
The perchlorate ion has one available bond.
the valency of silicate ion is 4-
The valency of bromide ion (Br-) is -1.
Valency = 2 -
Formula: AlO2-