Exam 3 Practice - Pre-AP Chem

15 Questions | Total Attempts: 452

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Exam 3 Practice - Pre-AP Chem - Quiz

An exam covering electrons in atoms, periodic properties, ionization, the mole concept, and the kinetic-molecular theory.


Questions and Answers
  • 1. 
    In which of the following states of matter do the molecules take the shape of their container?
    • A. 

      Solid

    • B. 

      Liquid

    • C. 

      Gas

    • D. 

      Liquid AND gas

  • 2. 
    According to the kinetic-molecular theory, particles of matter are in motion
    • A. 

      At absolute zero

    • B. 

      At all temperatures above absolute zero

    • C. 

      Only in gases

    • D. 

      Only in liquids

  • 3. 
    Which instrument, invented by Evangelista Torricelli, measures the pressure of the atmosphere?
    • A. 

      Barometer

    • B. 

      Manometer

    • C. 

      U-tube

    • D. 

      Torrometer

  • 4. 
    Convert the pressure 2.42 atmospheres to kilopascals.  Remember that 1 atm = 101.3 kPa.
    • A. 

      2 kPa

    • B. 

      115 kPa

    • C. 

      41.9 kPa

    • D. 

      245 kPa

  • 5. 
    How many moles are in 2.8 x 1024 atoms of W?
    • A. 

      0.215 mol

    • B. 

      4.65 mol

    • C. 

      855 mol

    • D. 

      4.65 x 1048 mol

  • 6. 
    What is the mass of one mole of BaCl2?
    • A. 

      172.8 g

    • B. 

      208.3 g

    • C. 

      137.3 g

    • D. 

      345.8 g

  • 7. 
    What is the number of moles in 432 grams of Ba(NO3)2?
    • A. 

      0.237 mol

    • B. 

      0.605 mol

    • C. 

      1.65 mol

    • D. 

      3.66 mol

  • 8. 
    What group of elements on the Periodic Table tends to have the highest ionization energy?
    • A. 

      7

    • B. 

      18

    • C. 

      1

    • D. 

      8

  • 9. 
    In this diagram, what is the first ionization energy for beryllium?
    • A. 

      496 kJ/mol

    • B. 

      521 kJ/mol

    • C. 

      738 kJ/mol

    • D. 

      899 kJ/mol

  • 10. 
    Which of the following ions does NOT have an octet?
    • A. 

      Na+

    • B. 

      S2-

    • C. 

      Sr+

    • D. 

      P3-

  • 11. 
    How does a calcium atom most commonly achieve an octet of electrons?
    • A. 

      By gaining 1 electron

    • B. 

      By gaining 2 electrons

    • C. 

      By losing 2 electrons

    • D. 

      By losing 1 electron

  • 12. 
    Of the following elements, which has the highest electronegativity value?
    • A. 

      Fr

    • B. 

      I

    • C. 

      O

    • D. 

      Al

  • 13. 
    How many valence electrons would be found in an atom of oxygen?
    • A. 

      4

    • B. 

      2

    • C. 

      6

    • D. 

      5

  • 14. 
    One mole of water molecules would fill
    • A. 

      The whole world.

    • B. 

      A high school gymnasium.

    • C. 

      A small shot glass.

    • D. 

      The state of Florida.

  • 15. 
    Which one of the following could NOT be a unit of pressure?
    • A. 

      Newtons per square meter

    • B. 

      Pounds per square inch

    • C. 

      Pascal

    • D. 

      Manometers per square foot

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