Atoms, Molecules And Ions

4 Questions  I  By Mkorolev
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Chemistry Quizzes & Trivia
Pre-class quiz for chapter 2

  
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Questions and Answers

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  • 1. 
    Which statement is correct? 2412Mg
    • A. 

      # protons = 12 # electrons = 12

    • B. 

      # protons = 24 # electrons = 12

    • C. 

      # protons = 12 # electrons = 24


  • 2. 
    I have 28 protons, 31 neutrons and 26 electrons Which of the following am I?
    • A. 

      Fe 2+

    • B. 

      Fe

    • C. 

      Ni

    • D. 

      Ni 2+

    • E. 

      Ga 2+


  • 3. 
    Which of the following is not ionic?
    • A. 

      HNO3

    • B. 

      CoCO3

    • C. 

      NO2

    • D. 

      NH4Cl


  • 4. 
    Which of the following is not covalent?
    • A. 

      H2O

    • B. 

      HClO4

    • C. 

      IBr

    • D. 

      SF6


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