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Study Atoms and atom model Multiple Choice Questions (MCQ Quiz) with Answers PDF to strengthen exam readiness online. Download the Atoms and Atom Model MCQ PDF e-Book, Ch. 1-2 to learn Class 7 Science Course. Study Ionic Bonds Multiple Choice Questions and Answers (MCQs) PDF, Atoms and Atom Model Quiz Questions and Answers to achieve academic success. Download the Atoms and Atom Model MCQ App: Free Class 7 Science Learning App to learn ionic bonds, uses of radioisotopes, chemical formulas, electron levels test prep to build science digitally.

Free Atoms and Atom Model MCQ App Download (Android & iOS): "Sodium ion has"; MCQ with answers: negative charge, positive charge, no charge, and may be positive or negative. Practice Ionic Bonds MCQ Questions, download Apple Book (Free Chapter) to strengthen exam readiness online.

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MCQ 6: Sodium ion has:

  1. positive charge
  2. negative charge
  3. no charge
  4. may be positive or negative

MCQ 7: Radioactive particles give off:

  1. waves
  2. rays
  3. energy
  4. light

MCQ 8: The formula that shows the number and kind of atoms which a substance of a molecule contained, is known as:

  1. chemical formula
  2. atomic formula
  3. compound formula
  4. molecular formula

MCQ 9: Sodium becomes a cation when:

  1. it loses a proton
  2. it gains a proton
  3. it loses an electron
  4. it gains an electron

MCQ 10: The symbol of potassium is:

  1. Po
  2. K
  3. Ps
  4. Pa

Class 7 Science Notes App & e-Book – Atoms and Atom Model Exam Prep

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