there is infinaty atoms in the universe.
The molecular formula for Hydrogen peroxide is H2O2. It has 2 hydrogen and 2 oxygen. Another way of writing it is H-O-O-H.
six
Hydrogen has several isotopes, and the average atomic weight for a hydrogen atom is about 1.007 u. Here are the neutron counts for each isotope: Hydrogen-1 (Protium): no neutrons Hydrogen-2...
ahh brain cramp >:(