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What are the limitations of J.J. Thomson’s model of the atom?
According to J.J. Thomson’s model of an atom, the electrons are embedded all over in the positively charged spheres. But experiments done by other scientists showed that protons are present only in the center of the atom and electrons are distributed around it.
[Extra information: J.J Thompson proposed a model of the atom that is similar to a watermelon.
The electron in the sphere was considered as seeds in watermelon.
He proposed that:
- The atom consists of a positively charged sphere and the electrons are embedded in it.
- The negative and positive charges are equal in magnitude so the atom is electrically neutral.
This model did not tell us about the presence of neutrons in the atom.
Neutron- A subatomic particle forming part of the nucleus of an atom. It has no charge. It is equal in mass to a proton or it weighs 1 amu. ]
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