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Compare a proton and a neutron in respec...

Compare a proton and a neutron in respect of mass and charge.

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LAKHMIR SINGH & MANJIT KAUR-STRUCTURE OF ATOM-Exercise
  1. What is a proton ? How does it differ from a neutron ?

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  2. Compare an electron and a proton in respect of mass and charge.

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  3. Compare a proton and a neutron in respect of mass and charge.

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  4. How does an electron differ from a neutron ?

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  5. State the location of electrons, protons, protons and neutrons in an a...

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  6. Fill in the following blanks :

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  7. Fill in the following blanks in respect of an atom of an element :

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  8. (a) Describe Thomson's model of the atom. Which subatomic particle was...

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  9. (a) Describe the Rutherford's model of an atom. State one drawback of ...

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  10. (a) Describe Bohr's model of the atom. How did Neils Bohr explain the ...

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  11. (a) What is mean by (i) atomic number, and (ii) mass number, of an ele...

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  12. Rutherford's alpha particle scattering experiment led to the discovery...

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

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  14. Which subatomic particle is not present in an ordinary hydrogen atom ?

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  15. The subatomic particle called electron was discovered by :

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  16. Which of the following represents the correct electron distribution in...

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  17. The correct electronic configuration of a chloride ion is :

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  18. Goldstein's experiments which involved passing high voltage electricit...

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  19. The number of electrons in the atom of an element X is 15 and the numb...

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  20. The ion of an element has 3 positive charges. The mass number of atom ...

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