Atoms and Atom Model Quiz App | Class 7 Science Quiz e-Book PDF | 3
Class 7 Science MCQs (Grade 7) From Textbook

Class 7 Science Certification MCQs – Practice Test 3 (Chapter 1)

Atoms and Atom Model Quiz with Answers PDF – Test 3

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Study Atoms and atom model Quiz Questions and Answers PDF to gain STEM digitally. Download the Atoms and Atom Model Quiz PDF e-Book, Ch. 1-3 to learn Class 7 Science Course. Solve Atom Structure MCQs PDF, Atoms and Atom Model Quiz Questions and Answers for science educational achievement goals. Download the Atoms and Atom Model Quiz App: Free Class 7 Science Study App to learn atom structure, covalent bonds, ionic bonds, valencies and valency table, mass number and isotopes test prep to gain STEM digitally.

Free Atoms and Atom Model Study App Download (iOS & Android): As compare to ionic compounds, covalent bond has; MCQ with answers: low melting but high boiling point, high melting but low boiling point, low melting and boiling point, and high melting and boiling point. Learn Atom Structure MCQ Questions, download Google Book (Free Chapter) to join STEM classes.

Atoms and Atom Model Quiz PDF Download – Test 3

MCQ 11: Electrons have:

  1. negative charge
  2. positive charge
  3. no charge
  4. both charges

MCQ 12: As compare to ionic compounds, covalent bond has:

  1. high melting but low boiling point
  2. low melting but high boiling point
  3. low melting and boiling point
  4. high melting and boiling point

MCQ 13: Ionic bonds are:

  1. easy to break
  2. weak
  3. electrical bonds
  4. very difficult to break

MCQ 14: Valency of sodium is:

  1. 1
  2. 4
  3. 3
  4. 2

MCQ 15: Neutrons in an atom also affect the:

  1. chemical properties
  2. physical properties
  3. bonding properties
  4. thermal properties

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