Trere are 4 hydrogen and 2 oxygen.
2
2x2= 4 hydrogen atoms (2x1= 2 oxygen atoms).
4 molecules of hydrogen & oxygen4 atoms hydrogen& 3 of oxygen
2 oxygen,4 hydrogen, 4 hydrogen, and 2 oxygen so overall 12
-6
2
There are 4 atoms of hydrogen in 2H2O.
2x2= 4 hydrogen atoms (2x1= 2 oxygen atoms).
4 molecules of hydrogen & oxygen4 atoms hydrogen& 3 of oxygen
2 oxygen,4 hydrogen, 4 hydrogen, and 2 oxygen so overall 12
5 Atoms
3
A chemical formula is the representation of a molecule of a chemical compound; all the atoms from the molecule of this compound need to be represented in the formula.
-6
Depending on the formula ! Two atoms in PbO2, three atoms in Al2O3, etc.
3
1.3 mol