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Class 9 Chemistry MCQs – Practice Test 1 (Chapter 7)

Structure of Atoms MCQs with Answers PDF Download – Test 1

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Study Structure of atoms Multiple Choice Questions (MCQs) with Answers PDF to support lifelong learning. Download the Structure of Atoms MCQs PDF e-Book, Ch. 7-1 to study Class 9 Chemistry Course. Learn Structure of Atoms Quiz Questions and Answers for chemistry performance improvement tools. Download the Structure of Atoms MCQs App: Free Class 9 Chemistry Learning App to electronic configuration, isotopes, atomic structure experiments test prep to strengthen chemistry digital competence.

Learn "Structure of Atoms MCQs" App Download with MCQ: If n = 3 we are in; with answers: l shell, k shell, m shell, and f shell. Solve Electronic Configuration MCQ Questions, download Google e-Book (Free Chapter) to support lifelong learning.

Structure of Atoms MCQs – Practice Test 1 PDF Download

MCQ 1: If n = 3 we are in:

  1. K shell
  2. L shell
  3. M shell
  4. F shell

MCQ 2: Water that contains H-2 atoms is called:

  1. heavy water
  2. light water
  3. pure water
  4. chlorinated water

MCQ 3: Electron revolves around the nucleus in orbits which have:

  1. variable energy
  2. fixed energy
  3. infinite energy
  4. zero energy

MCQ 4: In Rutherford's experiment, α particles were deflected because of:

  1. electrostatic repulsion between α particles and positively charged part of atom
  2. electrostatic attraction between α particles and positively charged part of atom
  3. electrostatic repulsion between β particles and positively charged part of atom
  4. electrostatic attraction between γ particles and positively charged part of atom

MCQ 5: The energy of an electron in orbit is proportional to:

  1. distance between shells
  2. distance from nucleus
  3. distance between two nuclei
  4. positive charge inside nucleus

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