Find out the correct statement based on Rutherford's atomic model.

Most of the mass of an atom is concentrated at the center

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Nucleus is very small in size

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Electrons circulate around the nucleus

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All of the above

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Solution

The correct option is C All of the above
Based on the gold foil experiment, Rutherford found that most of the mass of an atom resides at the positively charged centre called the nucleus. He also suggested that the electrons revolve around the nucleus in circular orbits. Apart from this, he had put forward that the size of the nucleus is very small when compared to the size of the atom. Thus, all the statements are correct. Hence, option D is correct.

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Similar questions

Q. According to the Rutherford model of the atom, which of the following statement(s) is/are correct regarding an electron revolving around the nucleus of an unielectronic system

Choose the correct alternative from the clues given at the end of each statement:

a) The size of the atom in the Thomsons model is ........... the atomic size in Rutherford's model.

(much greater than/no different from/much less than.)

b) In the ground state of .......... electrons are in stable equilibrium, while in .......... electrons always experience a net force.

(Thomsons model/ Rutherfords model.)

c) A classical atom based on .......... is doomed to collapse.

(Thomsons model/ Rutherfords model.)

d) An atom has a nearly continuous mass distribution in a .......... but has a highly non-uniform mass distribution in ..........

(Thomsons model/ Rutherfords model.)

e) The positively charged part of the atom possesses most of the mass in ..........

(Rutherfords model / both the models.)

The Bohr atom, in structure, is not very different from the Rutherford atom - you have an electron going around the nucleus in a circular orbit. So even in the Bohr model, the electron must experience some centripetal acceleration. Why is there no radiation in that case, like in the Rutherford's model?

Statement I- Thomson's atomic model could not explain the result of scattering experiment performed by Rutherford.
Statement II- According to Rutherford, majority of mass was concentrated in a minute, positively charged region (the nucleus) surrounded by electrons.

Q. After completing the gold foil experiment, Rutherford concluded that the size of the nucleus is very small compared to the size of the atom. This is because :

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