Chemical Bonds: Covalent Bond in Lewis's Theory - Chapter 6
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Questions and Answers

What is the valence shell also known as?

  • Outer shell (correct)
  • Central shell
  • Principal shell
  • Peripheral shell
  • What determines the chemical properties of a given element?

  • Number of electrons in the atomic orbitals
  • Electron doublets and single electrons in the valence shell (correct)
  • Density of the valence shell
  • Principal quantum number of the valence shell
  • What does the Lewis representation of an element materialize?

  • Electrons of the valence shell (correct)
  • Nuclear charge
  • Electron configuration
  • Atomic mass of the element
  • How do two atoms form a covalent bond?

    <p>By sharing their valence electrons</p> Signup and view all the answers

    What type of bond is formed when two atoms share their valence electrons?

    <p>Covalent bond</p> Signup and view all the answers

    Which type of bond is formed when two atoms have a significant difference in electronegativity, resulting in the transfer of electrons from one atom to another?

    <p>Ionic bond</p> Signup and view all the answers

    In which type of bond is the electron cloud not symmetrical throughout the bond due to the difference in electronegativity between the two atoms?

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

    When does a covalent bond have a partial ionic character?

    <p>When the difference in electronegativity is less than 1.65</p> Signup and view all the answers

    Which type of bond is formed when one atom provides a doublet of its outer shell to another atom that has an electronic gap in its valence shell?

    <p>Dative bond</p> Signup and view all the answers

    What is the type of strong bond formed between atom A and B, involving the sharing of electrons?

    <p>Covalent bond</p> Signup and view all the answers

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