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6
I think there is one atom of copper and four atoms of sulfur but you should get a second opinion. I am 98% sure this is correct.
One atom per molecule.
One molecule has 6 individual atoms. If the number you are looking for is much larger than that you need to know how many grams or moles of CuSO4 you are supposed to calculate.
Elemental copper does not have molecules. Instead it has a "formula unit", which is a single atom.
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The anhydrous copper(II) sulfate molecule has four oxygen atoms.
I think there is one atom of copper and four atoms of sulfur but you should get a second opinion. I am 98% sure this is correct.
4
hydrogen is not a molecule.
Copper sulfate (CuSO4) has 6 atoms and 3 chemical elements.
One Sulphate molecule contains 5 atoms, one of sulphur and 4 of oxygen.
Copper is normally encountered as metal which is a giant lattice of atoms.
One atom per molecule.
Lithium Sulfate Li2SO4 has 4 oxygen atoms per molecule.
There are 12 oxygen atoms in a molecule of aluminum sulfate. The formula for aluminum sulfate is Al2(SO4)3. This tells us there are 3 sulfate ions, each with 4 oxygen atoms per sulfate, so 3 * 4 = 12.== ==
Copper nitrate molecule contain nine atoms.