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Question 1 of 30
1. Question
Who discovered the electron?
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Question 2 of 30
2. Question
Which isotope is used in the nuclear power plants to generate electricity?
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Question 3 of 30
3. Question
Why was the Thomson’s Model of an atom failed?
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Question 4 of 30
4. Question
What was the source of alpha particles in Rutherford scattering experiment?
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Question 5 of 30
5. Question
What property of an element determines its chemical behaviour?
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Question 6 of 30
6. Question
Which of the following does not match the characteristics of an Isotope?
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Question 7 of 30
7. Question
Which of the two will be chemically more reactive, Sulphur(S) with atomic number 16 or Chlorine (Cl) with atomic number 17?
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Question 8 of 30
8. Question
Which of the following elements does not exhibit the electrovalencey?
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Question 9 of 30
9. Question
Which of the following statements is incorrect about the structure of an atom?
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Question 10 of 30
10. Question
Which scientist gave the concept of fixed energy levels around the nucleus?
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Question 11 of 30
11. Question
What prevents an atom from being collapsed?
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Question 12 of 30
12. Question
Which of the following pairs are isobars?
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Question 13 of 30
13. Question
Which of the following is an incorrect statement in reference with observation in Rutherford’s α-particle scattering experiment?
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Question 14 of 30
14. Question
Which radioactive element is used in the treatment of cancer?
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Question 15 of 30
15. Question
Why do most of the elements try to participate in the chemical combinations?
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Question 16 of 30
16. Question
In 1906, J.J. Thomson was awarded the Nobel prize for his discovery of:
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Question 17 of 30
17. Question
Who discovered the nucleus of an atom?
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Question 18 of 30
18. Question
Who is known as the ‘Father of nuclear Physics’?
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Question 19 of 30
19. Question
An atomic number of an element equals to what present in the nucleus of its atom?
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Question 20 of 30
20. Question
Rutherford’s alpha-particle scattering experiment was responsible for the discovery of:
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Question 21 of 30
21. Question
Isotopes of an element have:
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Question 22 of 30
22. Question
Number of valence electrons in CP ion are:
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Question 23 of 30
23. Question
Which one of the following is a correct electronic configuration of sodium?
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Question 24 of 30
24. Question
Who used the term ‘ATOM’ for the first time?
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Question 25 of 30
25. Question
Which of the following are called nucleon?
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Question 26 of 30
26. Question
Which of the following particles was discovered first?
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Question 27 of 30
27. Question
Which of the following atom does not have the neutron?
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Question 28 of 30
28. Question
Who gave the name ‘Proton’ the positively charged particles of an atom?
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Question 29 of 30
29. Question
The maximum number of electrons in any shell of an atom is:
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Question 30 of 30
30. Question
Which of the following rays have the maximum penetration power?
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