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Atom consists of electrons distributed i...

Atom consists of electrons distributed in a positively charged sphere was proved by

A

Thomson

B

Rutherford

C

Bohr

D

Hertz

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A
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Electrons are positively charged.

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.

Is the atom as a whole positively charged ?

The positive charge of an atom is.

The electron distribution in an aluminium atom is

According to Thomson's model, every atom consists of a positively charged sphere of radius 10^(-10)m in which entire mass and positive charge of the atom are uniformly distributed. Inside the sphere, electrons are embedded like seeds in a watermelon. According Rutherford, entire positive charge and mass of the atom are concentrated in a tiny central core of the atom, which is called atomic nucleus. Size of nucleus ~~10^(-15)m . The nucleus contains proton and neutrons. Negatively charged electrons revolve around the nucleus in circular orbits. The size of atom is of the order of

According to Thomson's model, every atom consists of a positively charged sphere of radius 10^(-10)m in which entire mass and positive charge of the atom are uniformly distributed. Inside the sphere, electrons are embedded like seeds in a watermelon. According Rutherford, entire positive charge and mass of the atom are concentrated in a tiny central core of the atom, which is called atomic nucleus. Size of nucleus ~~10^(-15)m . The nucleus contains proton and neutrons. Negatively charged electrons revolve around the nucleus in circular orbits. The size of atomic nucleus is of the order of

According to Thomson's model, every atom consists of a positively charged sphere of radius 10^(-10)m in which entire mass and positive charge of the atom are uniformly distributed. Inside the sphere, electrons are embedded like seeds in a watermelon. According Rutherford, entire positive charge and mass of the atom are concentrated in a tiny central core of the atom, which is called atomic nucleus. Size of nucleus ~~10^(-15)m . The nucleus contains proton and neutrons. Negatively charged electrons revolve around the nucleus in circular orbits. Large angle scattering of alpha -particle could not be explained by

An uncharged metal object M is insulated from its surroundings. A positively charged metal sphere S is then brought neat to M . Which diagram best illustrates the resultant distributions of charge on S and M

NIKITA PUBLICATION-ATOMS, MOLECULES AND NUCLEI-MCQs
  1. The radius of the atom is of the order of

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  2. Electron in the atom are held due to

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  3. Atom consists of electrons distributed in a positively charged sphere ...

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  4. Which of the following statement is correct in case of Thomson's atom ...

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  5. The nuclear model of atom was given by

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  6. The existence of a positively charged nucleus in an atom was discovere...

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  7. According to Rutherford, the positively charged nucleus of the atom ha...

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  8. According to Rutherford, electrons revolve in a circular orbit around ...

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  9. According to classical theory, Rutherfor'd atom model is

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  10. Rutherford's atomic model was unstable because

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  11. The electrons of Rutherford's model would be expected to lose energy b...

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  12. The nuclear structure of the atom was discovered by Rutherford by bomb...

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  13. The scattering of alpha-particles by metal foil can be explained by

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  14. Rutherford's experiment of scattering of alpha-particles shows that at...

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  15. When alpha- particles are passed through a thin foil, then

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  16. The deflection of alpha-particles through a thin foil is due to

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  17. As the radius of the orbit goes on decreasing the electrons should emi...

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  18. According to Rutherford's atom model, the proposed path of an electron...

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  19. According to rutherford, electrons revolve round the nucleus in circul...

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  20. Alpha-particles that come closed to nuclei

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