Grade 9 - Wednesday 23 Dec

10 Questions | Total Attempts: 73

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9th Grade Quizzes & Trivia

This quiz includes the following lessons:- compounds and molecules - ionic and covalent bonding


Questions and Answers
  • 1. 
    What is a bond that forms when electrons are transferred from one atom to another?
    • A. 

      Ionic bond

    • B. 

      Crystal bond

    • C. 

      Electron bond

    • D. 

      Atom bond

  • 2. 
    Why can metals bend without breaking?
    • A. 

      Metals contain positively charged ions

    • B. 

      Metals contain constantly moving electrons

    • C. 

      Metals contain ionic bonds

    • D. 

      Metals contain moving ions

  • 3. 
    What is the charge of sodium ion with 11 protons and 10 electrons?
    • A. 

      +1

    • B. 

      +2

    • C. 

      -1

    • D. 

      -2

  • 4. 
    What do you call a force of attraction that holds two atoms together? 
    • A. 

      Chemical hold

    • B. 

      Chemical bond

    • C. 

      Crystal bond

    • D. 

      Atom bond

  • 5. 
    Ionic compounds conduct electricity 
    • A. 

      In their solid form

    • B. 

      When melted of dissolved

    • C. 

      In all cases

    • D. 

      They do not conduct at all

  • 6. 
    Any compound has a total charge of ................
  • 7. 
    Ratio of calcium ions to chloride ions in CaCl2 is .............. : ...............
  • 8. 
    A hydrogen molecule has an electron structure similar to the noble gas ......................
  • 9. 
    Bond that forms when atoms share one or more pairs of electrons 
  • 10. 
    How many electrons are shared in a molecule of O2
    • A. 

      4

    • B. 

      2

    • C. 

      6

    • D. 

      8

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