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Class 9 Science Practice Test: Structure of the Atom
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Class 9 Science Practice Test: Structure of the Atom
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16 Questions

1. Who discovered the nucleus of an atom?
2. An atomic number of an element equals to what present in the nucleus of its atom?
3. In 1906, J.J. Thomson was awarded the Nobel prize for his discovery of:
4. Who gave the first model of the atom?
5. Rutherford’s alpha-particle scattering experiment was responsible for the discovery of:
6. Who discovered the nucleus of an atom?
7. Which one of the following is a correct electronic configuration of sodium?
8. Which one of the following is a correct electronic configuration of sodium?
9. Who is known as the ‘Father of nuclear Physics’?
10. Who gave the name ‘Proton’ the positively charged particles of an atom?
11. Which of the following atom does not have the neutron?
12. In 1906, J.J. Thomson was awarded the Nobel prize for his discovery of:
13. An atomic number of an element equals to what present in the nucleus of its atom?
14. Who used the term ‘ATOM’ for the first time?
15. Which of the following rays have the maximum penetration power?
16. Who gave the first model of the atom?

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