SO4 is not a molecule. (SO4)2- is the sulfate ion.
The sulfate molecule (SO4) is heteroatomic.
SO4 is the chemical formula for the anion sulfate.
The name of Al2(SO4)3 is aluminum sulfate.
It's the salt, sodium sulphate. Na2 = two atoms of sodium SO4 = the sulphate ion, one sulphur and four oxygen atoms.
The sulfate ion (SO4 2-) is a symmetrical molecule, with a tetrahedral arrangement of atoms around the sulfur. This symmetry cancels out the dipole moments of the individual bonds, resulting in a nonpolar molecule overall.
Technically no, it is normally called apolyatomic anion, however it is effectivelly a charged molecule.
Aluminum sulfate is formulated by Al2(SO4)3
The correct formula of nickel sulfate is NiSO4.
2H + + SO4 2- <-> H2SO4 Sulfuric acid is the conjugate acid here.
The chemical name of Ti2(SO4)3 is titanium (III) sulfate or titanous sulfate.
The name for SO4^3- is sulfate.
The correct name for sulfate is sulfite, and its chemical formula is SO3^2-.