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two.
the answer is 21!
2 carbon atoms
6. 1xC 4xH 1xO
There are two Fe atoms and three O atoms, making a total of five atoms altogether.
11
Ferric oxide is not a covalent compound, it forms a large ionic lattice.
a. 1 iron atom per molecule. in total, two atoms
two.
The total number of atoms in one molecule of Al2(CO3)3 is 14.
There are 5 atoms in aluminum oxide Al2O3 just add the 2 and the 3!