Carbon Allotropes and Compounds Quiz
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Questions and Answers

Which property is characteristic of diamond?

  • Hardest substance known (correct)
  • Hexagonal layered structure
  • Slippery texture
  • Good conductor of electricity
  • What is a key feature of graphite's structure?

  • It is composed of hexagonal layers stacked together. (correct)
  • It is the hardest known material.
  • It is made of spherical molecules.
  • It has a rigid molecular structure.
  • What distinguishes fullerenes from other allotropes of carbon?

  • They have a spherical shape. (correct)
  • They have a rigid structure.
  • They are made entirely of carbon atoms.
  • They conduct electricity well.
  • Which of the following statements about graphite is true?

    <p>It has a slippery feel.</p> Signup and view all the answers

    What is the significance of the name 'Buckminster Fuller' in relation to carbon allotropes?

    <p>He designed structures resembling fullerenes.</p> Signup and view all the answers

    What key property of carbon allows it to form a vast number of compounds?

    <p>Its strong covalent bonds with other carbon atoms</p> Signup and view all the answers

    Which of the following elements can carbon bond with to create compounds?

    <p>Hydrogen, oxygen, nitrogen, and others</p> Signup and view all the answers

    What is the term for carbon's ability to form long chains and rings?

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

    What type of bonds can link carbon chains?

    <p>Single, double, or triple bonds</p> Signup and view all the answers

    What characteristic allows carbon to bond with four other atoms?

    <p>Its valency of four</p> Signup and view all the answers

    What characterizes saturated compounds?

    <p>They contain carbon atoms linked by single bonds using all valencies.</p> Signup and view all the answers

    Which of the following is an example of an unsaturated compound?

    <p>Ethene (C₂H₄)</p> Signup and view all the answers

    What is the first step in drawing the structure of a carbon compound?

    <p>Link carbon atoms with single bonds.</p> Signup and view all the answers

    Which of the following statements about carbon's tetravalency is true?

    <p>Tetravalency allows carbon to bond with a maximum of four other carbon atoms.</p> Signup and view all the answers

    How many hydrogen atoms are present in propane (C₃H₈)?

    <p>8</p> Signup and view all the answers

    What type of covalent bond is formed in the hydrogen molecule (H₂)?

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

    How many pairs of electrons are shared in the double covalent bond of the oxygen molecule (O₂)?

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

    Which molecule is described as having a triple covalent bond?

    <p>Nitrogen (N₂)</p> Signup and view all the answers

    What type of chemical bonding occurs between the oxygen atom and the two hydrogen atoms in water (H₂O)?

    <p>Single covalent bonding</p> Signup and view all the answers

    Which of the following correctly describes the electron-dot structure of ammonia (NH₃)?

    <p>It achieves noble gas configuration through shared electrons.</p> Signup and view all the answers

    What is the primary focus of the document regarding the molecules discussed?

    <p>Molecular structure and bonding</p> Signup and view all the answers

    Which term best describes the bonding situation in graphite and diamond?

    <p>Different allotropes of carbon</p> Signup and view all the answers

    What is the formula for methane, a compound discussed in the document?

    <p>CH₄</p> Signup and view all the answers

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