Physical Properties of Group 17 Elements
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Questions and Answers

Which Group 17 element has the smallest covalent radius?

  • Fluorine (correct)
  • Iodine
  • Bromine
  • Chlorine
  • What is the electron configuration for Chlorine?

  • [Ne] 3s2 3p5 (correct)
  • [Kr] 5s2 4d10 5p5
  • 1s2 2s2 2p5
  • [Ar] 4s2 3d10 4p5
  • Which halogen shows only -1 oxidation state in its compounds?

  • Chlorine
  • Bromine
  • Fluorine (correct)
  • Iodine
  • Which element in Group 17 has the highest bond dissociation energy for the X-X bond?

    <p>Chlorine</p> Signup and view all the answers

    Which halogen has the highest electronegativity?

    <p>Fluorine</p> Signup and view all the answers

    Which statement best describes the reactivity of fluorine?

    <p>Fluorine is the most reactive element in the periodic table and reacts explosively with most elements.</p> Signup and view all the answers

    Which property contributes to the unique nature of fluorine?

    <p>Weakness of F-F bond</p> Signup and view all the answers

    What happens to the oxidizing strength of the halogens as you go down Group 17?

    <p>It decreases</p> Signup and view all the answers

    Which Group 17 element is the most dense?

    <p>iodine</p> Signup and view all the answers

    Which halogen is known for having the lowest boiling point?

    <p>Fluorine</p> Signup and view all the answers

    What is the predominant oxidation state of chlorine in most of its compounds?

    <p>-1</p> Signup and view all the answers

    Which Group 17 element is found in its natural form primarily in seawater and brine wells?

    <p>Bromine</p> Signup and view all the answers

    Which structure best describes solid iodine?

    <p>face-centred cubic</p> Signup and view all the answers

    Why is fluorine the most reactive of all the halogens?

    <p>High electron affinity</p> Signup and view all the answers

    Which halogen has a pale yellow appearance in its gaseous form?

    <p>fluorine</p> Signup and view all the answers

    Which element in Group 17 has the electronic configuration [Ne] 3s2 3p5?

    <p>Chlorine</p> Signup and view all the answers

    Which halogen combines with various numbers of oxygen atoms to form oxyacids but does not include fluorine?

    <p>All halogens except fluorine</p> Signup and view all the answers

    Which halogen oxyacid is explosively reactive and a strong oxidizing agent?

    <p>Perchloric acid</p> Signup and view all the answers

    What is the general formula for binary interhalogen compounds?

    <p>XY$_n$ with $n$ being an odd number</p> Signup and view all the answers

    Which halogen is primarily known for its use in flame retardants and photographic film?

    <p>Bromine</p> Signup and view all the answers

    In aqueous solution, what do halogen oxyacids dissociate into?

    <p>H+ ions and oxyanions</p> Signup and view all the answers

    Which element is often used in non-stick coatings and uranium enrichment?

    <p>Fluorine</p> Signup and view all the answers

    How does the strength of halogen oxyacids vary?

    <p>It increases with the number of oxygen atoms</p> Signup and view all the answers

    Which interhalogen compound has the highest number of fluorine atoms bonded to iodine?

    <p>IF$_7$</p> Signup and view all the answers

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