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Halogens quiz

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Terms in this set (15)

  • What group on the periodic table are the halogens found in?
    Halogens are found in group 7A of the periodic table.
  • What is the most common oxidation state for halogens?
    The most common oxidation state for halogens is -1.
  • Which halogens are typically discussed due to their predictable properties?
    Fluorine, chlorine, bromine, and iodine are typically discussed because astatine and tennessine are radioactive and unpredictable.
  • How do halogens exist in their elemental form?
    Halogens exist as diatomic molecules, such as F2, Cl2, Br2, and I2.
  • What type of intermolecular force is present in halogen molecules?
    Halogen molecules exhibit London dispersion forces due to their nonpolar nature.
  • How does the strength of intermolecular forces change as you move down the halogen group?
    The strength of intermolecular forces increases as you move down the halogen group.
  • What is the physical state and color of fluorine at room temperature?
    Fluorine is a light yellow gas at room temperature.
  • How does the bond length and bond energy change as you move down the halogen group?
    Bond length increases and bond energy decreases as you move down the halogen group.
  • Why does F2 have a lower bond energy than expected compared to Cl2 and Br2?
    F2 has a lower bond energy because its atoms are small and highly electronegative, causing them to repel each other and lengthen the bond.
  • What is the physical state and color of bromine at room temperature?
    Bromine is a brownish-orange liquid at room temperature.
  • What is the physical state and color of iodine at room temperature?
    Iodine is a dark purple solid at room temperature.
  • Which halogens can have oxidation states ranging from +7 to -1?
    Chlorine, bromine, and iodine can have oxidation states from +7 to -1, but fluorine cannot.
  • What is an interhalogen compound?
    An interhalogen compound is formed when two different halogens bond together, with the less electronegative one having an oxidation number of +1 and the more electronegative one -1.
  • What types of halogen oxyanions can chlorine form?
    Chlorine can form hypochlorite (ClO-), chlorite (ClO2-), chlorate (ClO3-), and perchlorate (ClO4-).
  • How are halogen oxyanions typically produced in basic solutions?
    Halogen oxyanions are produced by reacting halogens with hydroxide ions (OH-) in basic solutions.