Understanding Covalent Bonds
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Questions and Answers

What type of bond is formed when two or more atoms share electrons?

  • Metallic bond
  • Ionic bond
  • Covalent bond (correct)
  • Hydrogen bond
  • How many valence electrons does oxygen have?

  • Six (correct)
  • Eight
  • Four
  • Two
  • What was the term used by Irving Langmuir to describe how neighboring atoms could exchange electrons?

  • Electronegativity
  • Covalence (correct)
  • Octet rule
  • Metallic bond
  • Which rule states that the valence shell of an atom should contain eight electrons?

    <p>Octet rule</p> Signup and view all the answers

    What term describes the attraction of atoms to electrons during covalent bonding?

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

    Which type of covalent bond occurs when atoms share electrons unevenly due to different electronegativity?

    <p>Polar covalent bond</p> Signup and view all the answers

    How many pairs of electrons are shared in a triple covalent bond?

    <p>Three pairs</p> Signup and view all the answers

    Which compound is mentioned as an example of a double covalent bond?

    <p>Carbon dioxide (CO2)</p> Signup and view all the answers

    What type of elements typically form covalent compounds?

    <p>Two non-metals</p> Signup and view all the answers

    Which property is NOT characteristic of covalent compounds?

    <p>High solubility</p> Signup and view all the answers

    What is one of the key differences between covalent compounds and ionic compounds?

    <p>Electron sharing vs. electron donation</p> Signup and view all the answers

    Why are covalent compounds considered flexible and easy to break?

    <p>They involve sharing electrons</p> Signup and view all the answers

    Which compound is a primary fuel for cells to make energy?

    <p>Glucose (C6H12O6)</p> Signup and view all the answers

    How are covalent compounds named when two or more atoms of the same element are bonded together?

    <p>Using the prefix 'di-' before the element name</p> Signup and view all the answers

    What is the key difference in solubility between covalent compounds and ionic compounds?

    <p>Low solubility vs. high solubility</p> Signup and view all the answers

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