Atomic Structure and Electron Configurations Quiz
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Questions and Answers

Why is carbon tetravalent in the majority of its compounds?

  • An electron from the 2s orbital is promoted to an empty 2pz orbital (correct)
  • It forms double bonds with other elements
  • It has an extra 2s orbital
  • It undergoes a process of nuclear fusion

    • What is the ground state electronic configuration of carbon?

  • 1s2 2s1 2p1
  • 1s2 2s2 2p2
  • 1s2 2s1 2p2
  • 1s2 2s2 2p1 (correct)

    • What is the excited state electronic configuration of carbon?

  • 1s2 2s2 2p1 x 2p2 y 2p1 z
  • 1s2 2s1 2p1 x 2p1 y 2p1 z (correct)
  • 1s2 2s1 2p2 x 2p1 y 2p1 z
  • 1s2 2s2 2p1 x 2p1 y 2p1 z

    • What is the ground state electronic configuration of carbon?

    <p>1s2 2s2 2p2</p> Signup and view all the answers

    What is the most stable electronic configuration of a carbon atom?

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

    What causes the apparent anomaly of carbon being tetravalent in the majority of its compounds?

    <p>Promotion of an electron from the 2s orbital to an empty 2pz orbital</p> Signup and view all the answers

    What is the promoted electronic configuration of carbon from ground state to excited state?

    <p>1s2 2s1 2p1 x 2p1 y 2p1 z</p> Signup and view all the answers

    Explain the apparent anomaly of carbon being tetravalent in the majority of its compounds despite having a stable electronic configuration of divalent.

    <p>It is assumed that an electron from the 2s orbital is promoted to an empty 2pz orbital, resulting in the tetravalent behavior of carbon in its compounds.</p> Signup and view all the answers

    What is the ground state electronic configuration of carbon?

    <p>1s2 2s2 2p1 x 2p1 y 2p0 z</p> Signup and view all the answers

    What is the underlying reason for carbon being tetravalent in the majority of its compounds despite having a stable electronic configuration of divalent?

    <p>Carbon is tetravalent due to the promotion of an electron from the 2s orbital to an empty 2pz orbital, resulting in an excited state electronic configuration.</p> Signup and view all the answers

    Explain the concept of the excited state electronic configuration of carbon and its significance in relation to its tetravalent nature.

    <p>The excited state electronic configuration of carbon involves the promotion of an electron from the 2s orbital to an empty 2pz orbital, which allows carbon to form four bonds, leading to its tetravalent nature in the majority of its compounds.</p> Signup and view all the answers

    How does the promotion of an electron from the 2s orbital to an empty 2pz orbital in carbon's excited state electronic configuration contribute to its tetravalent behavior?

    <p>The promotion of an electron from the 2s orbital to an empty 2pz orbital in carbon's excited state electronic configuration allows it to form four bonds, leading to its tetravalent behavior.</p> Signup and view all the answers

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