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The chemical formula of barium nitrate is Ba(NO3)2; barium nitrate has six oxygen atoms in the molecule.
The formula unit of aluminum nitrate is Al(NO3)3. This shows that the formula unit contains 1 aluminum atom, 3 nitrogen atoms, and 9 oxygen atoms for a total of 13 atoms.
Calcium nitrate has 9 atoms.
Barium nitrate has 9 atoms in the formula unit.
Three oxygen atoms in each nitrate ion multiplied by two nitrate ions results in 6 total oxygen atoms.
Chromium(III) nitrate is not made of molecules. It is ionic. There are 4 ions in one formula of chromium(III) nitrate.
Chemical fomula is BaCO3.So there are 6 atoms.
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This compound is calcium nitrate. Each formula unit will contain 9 atoms.
The formula unit for iron (III) sulfate is Fe2(SO4)3. This formula shows that there are two iron atoms, three sulfur atoms, and twelve oxygen atoms, totalling 17 atoms altogether.
The formula unit for aluminum nitrate has the formula Al(NO3)3. Subscripts within parentheses are multiplied by the subscript after the parentheses. Therefore, this formula unit contains nine oxygen atoms, three nitrogen atoms, and one aluminum atom for a total of 13 atoms.
Calcium nitrate has 9 atoms.