Atomic Structure MCQ Questions and Answers Quiz

11. What did Rutherford conclude about the structure of the atom

  1. an tom is individual
  2. electrons makes up the center of the atom
  3. an atom carries a positive charge
  4. an atom contains a small, dense, positively charged central region

12. A nuclear particle that has same mass that of a proton, but no electrical charge is

  1. nuclide
  2. electron
  3. proton
  4. isotope

13. The maximum number of. electrons that can be accommodated by p - orbital is

  1. 2
  2. 6
  3. 10
  4. 14

14. Nucleus of most of the atoms is composed of

  1. tightly packed neutrons
  2. tightly packed protons
  3. tightly packed protons and neutrons
  4. tightly packed electrons

15. Quantum number value for 2p sub shell are

  1. n = 2, L = 0
  2. n = 2, L = 1
  3. n = 1, L = 0
  4. n = 1, L = 1

16. an aluminium isotope consists of 13 protons, 13 electrons and 14 neutrons. Its mass numbers is

  1. 13
  2. 14
  3. 27
  4. 40

17. Anode rays were discovered by

  1. Rutherford
  2. Goldstein
  3. J J Thomson
  4. J. Stoney
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