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.

Statement I is correct.

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Statement II is correct.

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Both the statements are correct.

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Both the statements are incorrect.

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Solution

The correct option is C Both the statements are correct.
According to Thomson's atomic model, the positive charge is uniformly distributed in the sphere and electrons are embedded in it just like a plum pudding.This implies that when alpha particles are bombarded on the atoms, they should get deflected uniformly.
However, in the Rutherford alpha particle scattering experiment, it was found that rays were deflected in various angles.
According to Rutherford, majority of mass was concentrated in a minute, positively charged region (the nucleus) surrounded by electrons.

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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.

Thomson's atomic model could not explain the result of scattering experiment performed by Rutherford.

Thomson's model of the atom could not explain the result of the scattering experiment performed by Rutherford.

Q. During the alpha particle scattering experiment of Rutherford, he was expecting the positively charged particle to pass through the atom considering the pudding model of an atom by J.J Thompson. According to Thompson's model the atom is stuffed with positively charged dough, then why did Rutherford not expect the particle to bounce back or get deflected due to the +^veand +^vecontact.....

Please correct if any information stated is incorrect.

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.)

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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.

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.