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I think the formula of aluminate is AlO2 and valency is 1
The formula for lithium sulphide is Li2S.
The valency of hydrogen sulfate is -1. It has the chemical formula HSO4-.
The formula Fe3O4 is an empirical formula, and a more nearly structural formula is FeO.Fe2O3, which shows valency 2 in its first part and valency 3 in its second part. Two-thirds of the iron cations have valency 3 and the others valency 2, combined in a single crystal structure.
-1 hco3-1 all bases are - and most if not all the ones with hydrogen in front are -1 for example- hydrogen sulfate (hso4-1)or hydroxide (oh-1)
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NiS .simple just take H2S so s has valency 2.we know nickel has valency 2(i hope you did) so formula is NiS
The formula for cesium sulphide is Cs2S.
I think the formula of aluminate is AlO2 and valency is 1
The formula for lithium sulphide is Li2S.
The formula for Lead Sulfide (or Lead Sulphide) is either: PbS for Lead(II) Sulphide, or PbS2 for Lead(IV) Sulphide.
The chemical formula of caesium sulphide is Cs2S.
The formula is: Li2S the "2" is a subscript
For example sodium oxalate has the chemical formula Na2C2O4.
Valency of k=1+ valency so4=2- after crisscrossing the valencies, we get- chemical formula- k2so4
Formula: CaS
The valency of sulfur in hydrogen sulfide is 2. This means that sulfur in hydrogen sulfide forms two bonds with other elements or ions, such as hydrogen in this case.