The history of the atom passed through a certain sequence until our recent interpretation of atomic theory.
The correct sequence of atomic theory is;
- The atom at electrons stuck in an overall positive atom
- The atom has a small dense positive nucleus.
- Electrons exist in perfect orbits based on energy levels.
- Electrons exist in orbitals, or the most probable location
The beginning of the atomic theory saw the discovery of J.J Thompson which led to the plum - pudding model in which the atom was described as a sphere in which electrons are stuck in an overall positive atom.
This was followed by Rutherford's planetary model in which he concluded that the atom has a small dense positive nucleus. This was followed by the model of Bohr in which the electrons exist in perfect orbits based on energy levels.
Lastly, the contemporary model of the atom is called the wave - mechanical model in which electrons exist in orbitals, or the most probable location.
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