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Which of the following statements is (ar...

Which of the following statements is (are) in conformity with Thomson's model of an atom ?

A

An atom is a uniform sphere of positive charges with electrons embedded in it.

B

An atom is electrically neutral .

C

The mass of an atom is concentrated at the centre of the atom .

D

Positive and negative charges in an atom do not interact with each other .

Text Solution

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The correct Answer is:
A, B
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Knowledge Check

  • Which of the following statement is correct in case of Thomson's atom model?

    A
    It explains the phenomenon of thermionic emission, photoelectric emission and ionisation
    B
    It could not explain emission of line spectra by elements
    C
    It could not explain scattering of `alpha`-particles
    D
    all of these

  • Which of the following statements is correct in case of Thomson's atomic model?

    A
    It explains the phenomenon of thermionic emission, photoelectric emission and ionisation.
    B
    It could not explain emission ofline spectra by elements.
    C
    It could not explain scattering of a-particles
    D
    All of the above

  • Which of the following statements do not form a part of Bohr's model of hydrogen atom?

    A
    Energy of the electrons in the orbits are quantized
    B
    The electron(s) in the orbit nearest to the nucleus has the lowest energy
    C
    Electrons revolve in different orbits around the nucleus
    D
    The position and velocity of the electrons in the orbit cannot be determined simultaneously.

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    In the Thomson's model of atom, which of the following statement are correct ? (i) The mass of the atom is assumed to be uniformaly distributed over the atom. (ii) The positive charge is assumed to be uniformaly distributed over the atom. (iii) The electrons are uniformaly distributed in the positively charged sphere. (iv) The electrons attract each other to stabilise tha atom.

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