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Rutherford's alpha particle scattering e...

Rutherford's alpha particle scattering experiment led to the discovery of :

A

Nucleus

B

Electrons

C

Protons

D

Neutrons

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The correct Answer is:
A
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LAKHMIR SINGH & MANJIT KAUR-STRUCTURE OF ATOM-Exercise
  1. (a) Describe Bohr's model of the atom. How did Neils Bohr explain the ...

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

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

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

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

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  6. The subatomic particle called electron was discovered by :

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

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

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

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

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

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  12. The first model of an atom was given by

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  13. Which of the following statement is always correct?

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  14. From the symbol .(15)^(31)P, state : (i) mass number of phosphorus,...

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  15. The atom of an element X has 7 electrons in its M shell (a) Write th...

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  16. An atom of element E contains 3 protons, 3 electrons and 4 neutrons : ...

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  17. An atom of an element X may be written as .(4)^(9)X What does the fi...

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  18. The electronic configuration of an element Z is 2, 8, 8. (a) What is...

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  19. The total number of electrons in a nitrogen atom is 7. Find the number...

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  20. What is the general name of the elements having 8 electrons in the val...

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