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Compare the properties of electron, prot...

Compare the properties of electron, proton and neutron

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NAND LAL PUBLICATION-STRUCTURE OF THE ATOM -EXERCISES
  1. Compare the properties of electron, proton and neutron

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  2. What are the limitations of J.J. Thomson's model of the atom ?

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  3. What are the limitations of Rutherford's model of the atom ?

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  4. Describe Bohr's model of atom.

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  5. Compare all the proposed models of atom given in the chapter 3 of the ...

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  6. Summarize the rules for writing of distribution of electrons in variou...

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

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  8. Define atomic number.

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  9. Explain with examples : Mass number

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  10. Explain with examples : Isotopes

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  11. Explain with examples : Isobars.

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  12. What are isotopes ? Give two uses of isotopes. Name the isotopes of hy...

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  13. Na^+ has completely filled K and L shells. Explain.

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  14. If bromine atom is in the form of say isotopes "35^79Br (49.7%) and "...

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  15. The average atomic mass of a sample of an element X is 16.2 u, what ar...

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  16. IfZ= 3, what would be the valency of the element ? Also, name the elem...

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

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  18. For the following statements write T for true and F for false . (a) ...

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  19. Rutherford's alpha-particle scattering experiment was responsible for ...

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  20. Isotopes of an element have

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