Basic Chemistry

27 Questions | Total Attempts: 73

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Basic Chemistry Quizzes & Trivia

Basic reactions. Mostly definitions.


Questions and Answers
  • 1. 
    _____ bonds occur when electrons are shared between atoms.
  • 2. 
    _______ are non spontaneous reactions, where energy is required for reactants to form products, driven by _______ reactions.
  • 3. 
    Polar______ molecules that readily dissolve in water, and _______ molecules don't readily dissolve in lipids.
  • 4. 
    _____ are formed when atoms gain or lose electrons, and are hydro_____.
  • 5. 
    ______ is the sum total of all chemical reactions that occur in cells.
  • 6. 
    When an ____ dissociates, it releases hydrogen ions.
  • 7. 
    ______ bonds have unequal sharing of electrons between atoms and result in partially charged atoms.
  • 8. 
    _____ are negatively charged, and _____ are positively charged.
  • 9. 
    ______ occurs when water is required to break down a large molecule into a smaller subunit.
  • 10. 
    An ______ bond occurs when electrons are transferred between atoms.
  • 11. 
    Nonpolar ______ molecules don't readily dissolve in water, and ______ molecules readily dissolve in lipids.
  • 12. 
    ______ reaction occurs when a biomolecule is broken down into its subunits.
  • 13. 
    What type of bond occurs between two covalently bonded molecules?
    • A. 

      Hydrogen

    • B. 

      Covalent

    • C. 

      Ionic

    • D. 

      Polar

    • E. 

      Nonpolar

  • 14. 
    _________ reaction occurs when subunits are combined to form a biomolecule.
  • 15. 
    __________ maintains a solution at a constant pH by accepting or releasing hydrogen ions in response to small changes in the concentration of hydrogen ions and is important in homeostasis.
  • 16. 
    _____ bonds occur when electrons are shared equally between atoms.
  • 17. 
    ______ occurs when a electron is lost from a molecule.
  • 18. 
    Blood is neutral at pH level __.
  • 19. 
    PH is the concentration of _______ ions in a mixture.
  • 20. 
    ______ occurs when a phosphate group is added to a molecule.
  • 21. 
    ________ occurs when water is lost when a large molecule is built from a small subunit, also known as dehydration synthesis.
  • 22. 
    _________ occurs when a electron is accepted by a molecule.
  • 23. 
    ______ occurs when a phosphate group is removed from a molecule.
  • 24. 
    The greater number of hydrogen ions results in an ____, levels between 1 and 6.
  • 25. 
    When a base dissociates, it releases ____ ions.
  • 26. 
    ______ are spontaneous reactions where energy is released.
  • 27. 
    The lesser number of hydrogen ions results in a _____, levels between 8 and 14.