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IGCSE A Level Chemistry MCQs – Practice Test 2 (Chapter 9)

Electrons in Atoms MCQ with Answers PDF Download – Test 2

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Study Electrons in Atoms Multiple Choice Questions (MCQ Quiz) with Answers PDF (Electrons in Atoms MCQ PDF e-Book) download Ch. 9-2 to learn IGCSE A Level Chemistry Course. Solve Electronic Configurations Multiple Choice Questions (MCQs), Electrons in Atoms quiz answers PDF to study IGCSE GCE certificate courses. Free Electrons in Atoms App – IGCSE A Level Chemistry MCQ App Download to learn ionization energy, periodic table ionization energies career test for GRE subject test tutoring.

The MCQ: Electronic configuration of chromium is; "Electrons in Atoms" App (Android, iOS) with answers: [ar]2d4,4s2, [ar]2d5,4s1, [ar]2d5,4s2, and [ar]2d4,4s1 to study IGCSE GCE certificate courses. Practice Nucleophilic Substitution Reactions Quiz Questions, download Apple Book (Free Chapter) for best online SAT prep class.

Electrons in Atoms MCQ with Answers PDF Download: Quiz 2

MCQ 6: The electronic configuration of chromium is:

  1. [Ar]2d5,4s1
  2. [Ar]2d4,4s2
  3. [Ar]2d5,4s2
  4. [Ar]2d4,4s1

MCQ 7: Electrons occupy separate orbital within the same sub-shell to reduce:

  1. attraction
  2. repulsion
  3. polarity
  4. conductivity

MCQ 8: The magnitude of ionization energy depends upon:

  1. number of positive charges
  2. shielding effect increases
  3. spin pair repulsion
  4. all of above

MCQ 9: Whenever there is no empty orbital is available within sub-shell, electrons are:

  1. deflected
  2. reflected
  3. paired
  4. charged

MCQ 10: There is less attraction between the fifth electron of Boron and nucleus, hence that electron resides in:

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

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