In 1913, Niels Bohr revised Rutherford's model by suggesting that the electrons orbited the nucleus in different energy levels or at specific distances from the nucleus. By doing this, he was able ...

Bohr proposed adding to the model the new idea of quanta put ... If the atom absorbed energy, the electron jumped to a level further from the nucleus; if it radiated energy, it fell to a level ...

Photo: Niels Bohr ... levels (orbits) in a quantum fashion, that is, without ever existing in an in-between state. Thus when an atom absorbs or gives off energy (as in light or heat), the electron ...