Q. 184.2( 5 Votes )

How do you appreciate the efforts made by scientists to explain the structure of atom by developing various atomic models?

Answer :

The existence of the atom has been proposed since the time of ancient Indian and Greek philosophers. But the atomic theory of matter was first proposed on scientific basis by John Dalton. After that many improvements were made in the proposed structure of atom and many new structures were also proposed some of them are as follows.

1. In 1898 J.J.Thomson discovered the electrons, which are in the atom. He stated the water melon structure of an atom.


2. Rutherford corrected the defects in Thomson’s model and introduced planetary atomic model. He observed the nucleus in the atom. He also explained the charge distribution.


3. Bohr corrected the defects on Rutherford’s model and explains the different energy levels in the atom.


4. All the discoveries made by the scientists are very helpful for further research and they are useful in understanding the molecules and atoms at microscopic level. We appreciate the role of scientists.


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