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AP PES and Covalent Intro

Quiz by Kris Myers

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10 questions
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  • Q1
    If an object absorbs NO visible light, the object appears
    polka-dotted
    rainbow
    black
    white
    30s
  • Q2
    Beer's law (Beer-Lambert Law) connects which two things...
    the economy of Peru and the size of the Atlantic Ocean
    light transmitted and concentration
    light transmitted and light absorbed
    light absorbed and concentration
    30s
  • Q3
    What is the relationship between the amount of light absorbed by a solution and the amount of light transmitted by the solution
    there is no relationship
    together they equal 100%
    they are college roommates but not really friends
    it depends on the intensity of the light
    45s
  • Q4
    When might we choose to use spectrophotometry rather than a titration to determine concentration?
    when an indicator cannot be used with a solution
    at 3:00 pm on Tuesday
    when we have a stock solution to work with
    when we already know the concentration
    45s
  • Q5
    Which type of lab equipment will we use to prepare the diluted solutions in the upcoming lab?
    Erlenmeyer flask
    funnel
    test tubes
    analytical balance
    30s
  • Q6
    A "blank" cuvette is one that
    is completely free of fingerprints and dust
    will not fire when placed in a gun
    has nothing in it
    is filled with distilled water
    30s
  • Q7
    Which of the following is true about electron density in two covalently bonded atoms?
    It is concentrated between the two nuclei
    It is fairly even due to electron-electron repulsions
    There are two areas of density around the two nuclei
    Who knows?
    45s
  • Q8
    Lewis came up with a different model to show covalent bonding. His reasoning for this was based on...
    noble-gas configuration
    all of the electrons
    bonding pairs of electrons
    lone pairs of electrons
    45s
  • Q9
    Which of the following diatomics are connected via a triple bond?
    what's a diatomic?
    fluorine
    oxygen
    nitrogen
    45s
  • Q10
    Which of the following statements is true?
    wow ... this is far too much to actually read
    there is no relationship between the length of a bond and the number of shared electron pairs
    the length of a bond decreases as the number of shared electron pairs increases
    the length of a bond increases as the number of shared electron pairs decreases
    45s

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