oct 4, 1913 - bohr improves the atomic model
Description:
Neils Bohr developed the Bohr atomic model, with electrons travelling in orbits around the nucleus, and chemical properties being determined by how many electrons are in the outer orbits. He also integrated the Planck quantum theory, stating that when electrons change orbits they emit a quantum of discrete energy.Added to timeline:
Date:
oct 4, 1913
Now
~ 110 years ago
