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    Pre-Activity (2ND Quarter)

    Uploaded by

    Mary Ann Frias
    SCIENCE NOTES 2

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    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd

    Pre-Activity (2ND Quarter)

    Uploaded by

    Mary Ann Frias
    2 views2 pages
    SCIENCE NOTES 2

    Original Title

    PRE-ACTIVITY (2ND QUARTER)

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    SCIENCE NOTES 2

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    2 views2 pages

    Pre-Activity (2ND Quarter)

    Uploaded by

    Mary Ann Frias
    SCIENCE NOTES 2

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    of 2

    Name: _____________________ Date: ____________

    Grade/Strand: _______________

    Pre-activity
    DIRECTIONS: Read each question carefully. Choose the letter of the best answer.
    Write your answer in your Physical Science notebook.
    1. Which of the following is an intermolecular force of attraction that is present in non-polar
    molecules?
    a. covalent bond c. dipole-dipole forces
    b. hydrogen bond d. London dispersion forces
    2. Which of the following is the strongest intermolecular force of attraction?
    a. ionic bond c. dipole-dipole forces
    b. hydrogen bond d. London dispersion forces
    3. Which of the following molecules can exhibit hydrogen bonding?
    a. HF c. HCl
    b. NaF d. NaBr
    4. What best explains the unusually high boiling point of water?
    a. There is a strong dipole-dipole bond between water molecules.
    b. Water is capable of hydrogen bonding.
    c. Dispersion forces are present in all molecules.
    d. The shape of the polar bonds is asymmetrical.
    5. A substance with weak intermolecular forces of attraction will exhibit which of
    the following?
    a. Low heat of vaporization
    b. Slow evaporation
    c. Low vapor pressure
    d. High melting point
    6. Which of the following pertains to London dispersion forces?
    a. They are the weakest intermolecular force.
    b. They operate only in polar molecules.
    c. They operate only in ionic compounds.
    d. They are an attractive force between hydrogen and an electronegative atom.
    7. Which statement about dipole-dipole forces is correct?
    a. They are present in polar molecules.
    b. They are present in nonpolar molecules.
    c. They are the weakest intermolecular force.
    d. They are the strongest intermolecular force.
    8. For a given substance, which of the following phase transitions shows an increase in the
    intermolecular forces of attraction?
    a. solid to liquid c. Liquid to gas
    b. gas to liquid d. Solid to gas
    9. What type of intermolecular force is present in all substances, regardless of polarity?
    a. ionic bond c. dipole-dipole forces
    b. hydrogen bond d. London dispersion forces
    10. Which of the following can exhibit hydrogen bonding among themselves?
    a. H2Te c. H2O
    b. H2Se d. H2S
    11-15. Which five properties below indicate strong intermolecular forces in a
    liquid?
    a. a lower evaporation rate
    b. a better capillary action
    c. a higher boiling point
    d. a higher melting point
    e. a higher viscosity
    f. a greater surface tension
    g. a lower boiling point

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