64b Molecules

10 Questions

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Molecule Quizzes & Trivia

Questions and Answers
  • 1. 
    Two oxygen atoms join together to form a(n) _____ of oxygen gas.
    • A. 

      Compound

    • B. 

      Atom

    • C. 

      Molecule

  • 2. 
    When two or more atom combine, they form a(n) _____.
    • A. 

      Element

    • B. 

      Compound

    • C. 

      Molecule

  • 3. 
    A water molecule is made of _____.
    • A. 

      Two hydrogen atoms

    • B. 

      A hydrogen atom and an oxygen atom

    • C. 

      Two hydrogen atoms and one oxygen atom

  • 4. 
    Sodium and chlorine combine to form ____
    • A. 

      H2 0

    • B. 

      Salt

    • C. 

      Copper sufide

  • 5. 
    The properties of a compound are _____ the proerties of the elements that form them.
    • A. 

      The same as

    • B. 

      Different from

    • C. 

      The same but stronger than

  • 6. 
    The _____ in any sample of a compound is exactly the same.
    • A. 

      Ratio of its elements' atoms

    • B. 

      Number of its elements' atoms

    • C. 

      Both a and b

  • 7. 
    A molecule can form when like or unlike _____ join.
  • 8. 
    Copper and sulfur can combine to form the _____ copper sulfide.
  • 9. 
    Scientists have _____ more than 100 elements.
  • 10. 
    A salt molecule forms when one sodium atom _____ with one chlorine atom.