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January 31, 2021
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jan 1, 1913 - Bohr

Description:

His model is a Planetary model where negatively-charged electrons orbit a small, positively-charged nucleus. This model is similar to planets orbiting the sun. He was able to calculate the energy level of the orbits. The electron cloud differs in the Bohr model. Transitions between these allowed orbits result in the absorption or emission of photons.

Added to timeline:

18 Nov 2019
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46
Atomic History - Quiroga

Date:

jan 1, 1913
Now
~ 108 years ago
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