Ionic vs. Covalent Bonding Overview
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Questions and Answers

What defines an ionic bond?

  • Donation of electron(s) from a metal atom to a non-metal atom (correct)
  • Sharing of valence electrons between non-metal atoms
  • Pulling electrons towards the nucleus of each atom equally
  • Sharing of valence electrons between metal and non-metal atoms

    • How do covalent bonds differ from ionic bonds?

  • They involve sharing electrons between a metal and non-metal
  • They involve pulling electrons towards both nuclei equally
  • They consist of the sharing of valence electrons between non-metal atoms (correct)
  • They result from the donation of electrons by a metal

    • What is the goal of atoms in forming covalent bonds?

  • To complete octet in the nucleus (correct)
  • To donate electrons from a metal to a non-metal
  • To pull electrons towards the nucleus equally
  • To share valence electrons with a non-metal

    • Which type of covalent bond is characterized by sharing electrons unequally?

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

    How are polar covalent bonds visualized?

    <p>By evaluating the extent of electron pair sharing between two non-metal atoms</p> Signup and view all the answers

    What makes a bond non-polar covalent?

    <p>Equal sharing of electron pairs between two non-metal atoms</p> Signup and view all the answers

    If an atom pulls electrons in a bond stronger than another atom, what type of bond is formed?

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

    What is the definition of electronegativity?

    <p>A numerical value given to each element that connects it to ionization energy and electron affinity</p> Signup and view all the answers

    According to the Pauling scale of electronegativities, which element is the most electronegative?

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

    How does the location of an element on the periodic table relate to its ionic character?

    <p>Elements on the left have lower electronegativities and more ionic tendencies</p> Signup and view all the answers

    How can bond type between two atoms be determined using electronegativity values?

    <p>By subtracting the smaller value from the larger value</p> Signup and view all the answers

    In a bond, which element would pull stronger than any other due to its high electronegativity?

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

    What type of bond would most likely form between a metal and a non-metal according to their positions on the periodic table?

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

    Which scientist developed a scale of electronegativities for nearly all elements on the periodic table?

    <p><strong>Linus Pauling</strong></p> Signup and view all the answers

    What is the main difference between ionic and covalent bonds?

    <p>The sharing of electrons</p> Signup and view all the answers

    How does a metal atom contribute to an ionic bond?

    <p>By donating electrons</p> Signup and view all the answers

    What is the primary objective of non-metal atoms in a covalent bond?

    <p>To complete their valence shell</p> Signup and view all the answers

    In a polar covalent bond, what happens if one atom pulls harder than the other?

    <p>The bond is considered polar covalent</p> Signup and view all the answers

    How can you differentiate between a polar and non-polar covalent bond?

    <p>By evaluating the electron pair sharing between the atoms</p> Signup and view all the answers

    What characterizes a non-polar covalent bond?

    <p>Equal sharing of electrons</p> Signup and view all the answers

    Why does a metal atom donate electrons in an ionic bond?

    <p>To complete its valence shell</p> Signup and view all the answers

    What is electronegativity?

    <p>A numerical value given to each element connecting it to ionization energy and electron affinity</p> Signup and view all the answers

    Which element is the most electronegative according to the Pauling scale?

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

    What defines an ionic bond?

    <p>A bond with a difference in electronegativity values greater than 1.7</p> Signup and view all the answers

    How can bond polarity be determined without an electronegativity chart?

    <p>By identifying the atoms involved as metals or non-metals</p> Signup and view all the answers

    What factor distinguishes polar covalent bonds from non-polar covalent bonds?

    <p>The difference in electronegativity values falls within 0.4-1.7 for polar covalent bonds</p> Signup and view all the answers

    In which part of the periodic table are elements more likely to exhibit ionic character?

    <p>Left-hand side</p> Signup and view all the answers

    What happens when two non-metals form a bond?

    <p>They usually form a covalent bond</p> Signup and view all the answers

    How does using a Pauling chart help determine bond types?

    <p>By subtracting electronegativity values and categorizing based on the result</p> Signup and view all the answers

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