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IGCSE A Level Chemistry MCQs (A Level) From Textbook

IGCSE A Level Chemistry MCQs – Practice Test 8 (Chapter 9)

Electrons in Atoms Notes Questions with Answers PDF Download – Test 8

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The "Electrons in Atoms Notes" App Download: Less amount of attraction between the nucleus and outer electrons is due to; MCQ with answers: increase in shielding effect only, increase in distance only, decrease in distance, and increase in distance and shielding effect. Practice Effect of Concentration Quiz Questions, download Kobo e-Book (Free Chapter) to revise chemistry topics.

Electrons in Atoms Test Questions and Answers PDF Download: MCQ 8

MCQ 36: Each principal quantum shell consists of different numbers of:

  1. orbitals
  2. magnetic field
  3. electric field
  4. electromagnetic field

MCQ 37: The less amount of attraction between the nucleus and outer electrons is due to:

  1. increase in distance only
  2. increase in shielding effect only
  3. decrease in distance
  4. increase in distance and shielding effect

MCQ 38: The process by which electrons spin and pair up against each other is called:

  1. spin-pair repulsion
  2. pair-spin repulsion
  3. spin-repulsion
  4. paired-spin repulsion

MCQ 39: Boron has one more proton than:

  1. helium
  2. beryllium
  3. carbon dioxide
  4. nitrogen

MCQ 40: Electron number from 2nd to 9th are present in same shell because the change in ionization is:

  1. high to low
  2. low to high
  3. gradual
  4. lastly

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