jan 1, 1913 - Neils Bohr
Description:
With the use of the quantization of energy, Bohr proposed the planetary model. He developed the model to show that electrons revolve around the nucleus and the energy released only occurs in specific quantities. He also believed the electron movement went hand-in-hand with the amounts of energy released called energy levels.Added to timeline:
Date:
jan 1, 1913
Now
~ 112 years ago