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Rutherford's experiment on the scatterin...

Rutherford's experiment on the scattering of `alpha` particle showed for the first time that the atom has

A

Atomic Nucleus

B

Electron

C

Proton

D

Neutron

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The correct Answer is:
A, C
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NCERT-STRUCTURE OF THE ATOM -EXERCISE
  1. What are the limitations of J.J. Thomson’s model of the atom?

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  2. Describe Rutherford atom model. What are the drawbacks of this model?

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  3. What are the postulates of Bohr's model of an atom?

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  4. Compare all the proposed models of an atom given in this chapter.

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  5. Summarise the rules for writing of distribution of electrons in variou...

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  6. Define valency by taking examples of silicon and oxygen.

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  7. Explain with examples (i) Atomic number, (ii) Mass number, (iii) Isoto...

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  8. Na^(+) has completely filled K and L shells. Explain.

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  9. Calculate the atomic mass (average) of chlorine using the following da...

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  10. A sample of oxygen atoms contain only .(8)O^(16) and .(8)O^(18) isotop...

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  11. If Z = 3, what would be the valency of the element? Also, name the ele...

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  12. Composition of the nuclei of two atomic species X and Y are given as u...

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  13. A neutron is formed by an electron and a proton combining together. Th...

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  14. The mass of an electron is about (1)/(2000) times that of proton.

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  15. An isotope of iodine is used for making tincture iodine, which is used...

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  16. Rutherford's experiment on the scattering of alpha particle showed for...

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  17. Isotopes of an element have

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  18. Number of valence electrons in Cl^(– ) ion are:

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  19. Which one of the following is a correct electronic configuration of so...

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  20. Complete the following table.

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