103
2
two
If you mean Cl2, that's two atoms (hence the 2).
A molecule of of water contain 3 atoms.
A molecule of ethanol (C2H6O) contains a total of 9 atoms: 2 carbon atoms, 6 hydrogen atoms, and 1 oxygen atom.
A molecule consists of many atoms. When you have a hydrogen molecule, or whatever other type of molecule for that matter, you have many hydrogen atoms that make it.
No...but many atoms do.
2
3
00000
two
2
NO2 = 3 atoms.
Per every water molecule, there are 2 hydrogen atoms and 1 oxygen atom. These atoms make up a water molecule.
If you mean Cl2, that's two atoms (hence the 2).
Cl2 is a molecule formed of 2 atoms of Chlorine.
There are 2 oxygen atoms in 1 molecule of oxygen.