4 janv. 1913 - Niels Bohr
Description:
According to Bohr’s atomic model, electrons move in definite orbits around the nucleus, much like planets circle the sun. These orbits, or energy levels, are located at certain distances from the nucleus.Ajouté au bande de temps:
Date:
4 janv. 1913
Maintenaint
~ Il y a 111 ans
