Structure of Atoms Multiple Choice Questions and Answers 3 PDF Download

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MCQs on Structure of Atoms Worksheets 3 Quiz PDF Download

MCQ: Lowest energy orbital among following is

  1. 2s
  2. 2p
  3. 3s
  4. 3p

A

MCQ: When Uranium-238 emits α particles it decays in to

  1. Helium
  2. Carbon
  3. Thorium-234
  4. Uranium-235

C

MCQ: D sub-shell can accommodate maximum

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

B

MCQ: Chlorine-35 exists in nature about

  1. 0.35
  2. 0.4
  3. 0.5
  4. 0.75

D

MCQ: Protium has

  1. one neutron
  2. two neutrons
  3. no neutron
  4. 3 neutrons

C