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The first model of an atom was given by...

The first model of an atom was given by

A

Neils Bohr

B

Ernest Rutherford

C

J.J. Thomson

D

Eugen Goldstein

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The correct Answer is:
C
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LAKHMIR SINGH & MANJIT KAUR-STRUCTURE OF ATOM-Exercise
  1. The number of electrons in the atom of an element X is 15 and the numb...

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

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  3. The first model of an atom was given by

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  4. Which of the following statement is always correct?

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

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

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

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

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

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

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

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  12. Which noble gas has less than 8 electrons in the valence shell of its ...

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  13. State on use of radioactive isotopes in medicine.

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  14. Give one example of a radioactive isotope which is used as a fuel in t...

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  15. Name the ratioactive isotopes which is used in the treatment of cancer...

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  16. Which radioactive isotope is used to determine the activity of thyroid...

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  17. State one use of radioactive isotopes is industry.

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  18. State whether the following statement is true is false : Radioactive...

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  19. What name is given to those atoms which contain the same numer of prot...

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  20. What is the relationship between an atom containing 11 protons, 11 ele...

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