Chemistry Quiz - Level 2

16 Questions  I  By Mrtpitiesthefool
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Questions and Answers

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  • 1. 
    Atoms are neutral because they have _______________ ?
    • A. 

      The same number of protons and neutrons

    • B. 

      The same number of electrons and neutrons

    • C. 

      The same number of protons and electrons

    • D. 

      Different numbers of protons and neutrons


  • 2. 
    Atoms or groups of atoms with a charge are called ions.
    • A. 

      True

    • B. 

      False


  • 3. 
    Ions are created by gaining or losing _________________?
    • A. 

      Electrons

    • B. 

      Protons

    • C. 

      Neutrons

    • D. 

      Atoms


  • 4. 
    By using the Periodic Table, we can predict the charge of an ion that a particular atom will create. What information on the periodic table helps with this prediction?
    • A. 

      Atomic Number

    • B. 

      Mass Number

    • C. 

      Period Number

    • D. 

      Group Number


  • 5. 
    Flourine, Chlorine and Bromine will all form ions with what charge?
    • A. 

      +1

    • B. 

      +2

    • C. 

      -1

    • D. 

      -2


  • 6. 
    The formula for Magnesium Chloride is *Number in the answers below should be sub-script (ie small and below the letters)
    • A. 

      MgCl

    • B. 

      Mg2Cl3

    • C. 

      MgCl2

    • D. 

      Mg2Cl


  • 7. 
    Avagadro's Number is based on which element?
    • A. 

      Carbon

    • B. 

      Nitrogen

    • C. 

      Oxygen

    • D. 

      Hydrogen


  • 8. 
    Avogadros Number is
    • A. 

      6.1023

    • B. 

      6.02 x 10^23

    • C. 

      6000000001023

    • D. 

      6.10 x 23


  • 9. 
    Calculate the number of moles in 36.8 grams of Oxygen

  • 10. 
    Calculate the mass of 3.6 moles of Iron (units NOT required in answer)

  • 11. 
    What is the Molecular Mass of NaCl? (units NOT required in answer)

  • 12. 
    Non-Metal atoms join together with which type of bond?
    • A. 

      Covalent

    • B. 

      Metallic

    • C. 

      Ionic

    • D. 

      Strong


  • 13. 
    In metallic bonds, the electrons are often free to move through the material. This relates to which property of metals?
    • A. 

      Strength

    • B. 

      Luster

    • C. 

      Electrical Conductivity

    • D. 

      Malleability


  • 14. 
    Bonding occurs as it helps make the atoms more stable?
    • A. 

      True

    • B. 

      False


  • 15. 
    Ionic bonds occur between ________________?
    • A. 

      Metal atoms

    • B. 

      Non-Metal atoms

    • C. 

      Metal and Non-Metal atoms

    • D. 

      Atoms of the same element


  • 16. 
    Covalent Molecular substance have weak inter-molecular bonds. This results in which property?
    • A. 

      Low melting and boiling points

    • B. 

      High melting and boiling points

    • C. 

      Brittle materials

    • D. 

      Strong materials


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