Model+of+the+Beryllium+Atom

=__This is the Bohr Model of the Beryllium Atom:__= There are 4 protons. There are 4 or 5 neutrons depending on the atom. There are 4 electrons. There are 2 in the first level and another 2 in the second level. The atom of beryllium has a total mass of approxamately 8 or 9 AMU.