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Nucleus was discovered by Rutherford in the alpha particle scattering experiment.

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Important Questions on Atomic Structure

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Science>Chemistry>Atomic Structure>Thomson's model of the atom
 Electron Is invented by
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Science>Chemistry>Atomic Structure>Thomson's model of the atom
Thomson's atomic model is also called
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Science>Chemistry>Atomic Structure>Thomson's model of the atom
The first model of an atom was given by
HARD
Science>Chemistry>Atomic Structure>Thomson's model of the atom
A beam of specific kind of particles of velocity 2.1×107 m s-1 is scattered by a gold (Z=79) nuclei. Find out the specific charge (charge/mass) of this particle if the distance of closest approach is 2.5×10-14 m.
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Science>Chemistry>Atomic Structure>Thomson's model of the atom
The cathode ray experiment was done for the first time by
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Science>Chemistry>Atomic Structure>Thomson's model of the atom
Plum pudding atomic model was proposed by
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Science>Chemistry>Atomic Structure>Thomson's model of the atom
In the Thomson's model of atom, which of the following statements are correct?
(i) The mass of the atom is assumed to be uniformly distributed over the atom.
(ii) The positive charge is assumed to be uniformly distributed over the atom.
(iii) The electrons are uniformly distributed in the positively charged sphere.
(iv) The electrons attract each other to stabilise the atom.
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Science>Chemistry>Atomic Structure>Thomson's model of the atom

Fill in the blank with appropriate words:

  • Plum pudding model was given by _____. (J.J. Thomson / Rutherford)
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Science>Chemistry>Atomic Structure>Thomson's model of the atom
Which of the following was not proposed by Thomson?
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Science>Chemistry>Atomic Structure>Thomson's model of the atom
Rutherford's α - particle dispersion experiment concludes
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Science>Chemistry>Atomic Structure>Thomson's model of the atom
In Rutherford's scattering experiment, an α-particle is projected with kinetic energy =4 MeV, then the minimum distance up to which this α-particle can reach to the nucleus of Cu nucleus is (atomic number of Cu=29)
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Science>Chemistry>Atomic Structure>Thomson's model of the atom
As per Thomson's model of the atom, what kind of charge an atom consists?
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Science>Chemistry>Atomic Structure>Thomson's model of the atom
In Rutherford's experiment, which established the nuclear model of the atom, used a beam of _____.
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Science>Chemistry>Atomic Structure>Thomson's model of the atom
Plum-pudding model of atom was proposed by:
 
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Science>Chemistry>Atomic Structure>Thomson's model of the atom
In Christmas pudding model, the currants were compared with
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Science>Chemistry>Atomic Structure>Thomson's model of the atom
What should be the velocity of an α-particle travelling towards the nucleus of a copper atom to arrive at a distance 10-13 m from the nucleus of the copper atom?
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Science>Chemistry>Atomic Structure>Thomson's model of the atom
J.J. Thomson's experiment proved the discovery of:
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Science>Chemistry>Atomic Structure>Thomson's model of the atom
_____ atomic model is also called plum pudding model.
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Science>Chemistry>Atomic Structure>Thomson's model of the atom
J.J. Thomson in his atomic model, assigned positive charge to
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Science>Chemistry>Atomic Structure>Thomson's model of the atom
J. J. Thomson led to the discovery of?