brooke c, josh c, daniel d, trent t, jordan m
The Bohr Bio
Bohr won the nobel prize in 1922 for his work on atoms. I world war two, Bohr escaped to Sweden, England, and America to avoid Nazi persecution and later advised the United Nations on how politics and physics should be collaborated for peace.
It shows that an energy level an electron normally occupies is called ground state. But it can move to a higher energy, less stable level, or shell, by absorbing energy.