The atomicity of FeCO3 is ___.
The atomicity of a molecule is the number of atoms present in it. FeCO3 has 1 iron (Fe) atom, 1 carbon atom and 3 oxygen atoms. So, the total number of atoms present in FeCO3 is 5. The atomicity is 5.
The atomicity of FeCO3 is ______.
The atomicity of FeCO3 is