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Ionic Radius
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Ionic Radius

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Questions and Answers

What is the ionic radius of an atom?

  • The radius of an ion after gaining or losing electrons (correct)
  • The radius of a neutral atom
  • The radius of a cation
  • The radius of an anion

    • Why do atoms have vague sizes according to the text?

  • Due to the wave function behavior of protons
  • Because of the stable arrangement of electrons
  • Because they are modeled as solid spheres
  • Due to the probabilistic wave function behavior of electrons and the electron cloud (correct)

    • How does ionization affect the size of an atom?

  • It changes the color of the atom
  • It has no effect on the size of the atom
  • It decreases the size of the atom
  • It increases the size of the atom (correct)

    • What changes when an atom becomes an ion?

    <p>The charge and ionic radius change</p> Signup and view all the answers

    What describes the ionic radius of an atom?

    <p>The change in size when it gains or loses an electron</p> Signup and view all the answers

    What element determines whether an atom is a cation or an anion?

    <p>Number of electrons gained or lost</p> Signup and view all the answers

    Why do physicists model atoms as solid spheres?

    <p>For simplicity in calculations</p> Signup and view all the answers

    Why does an atom become a cation when it loses an electron?

    <p>It gains a positive charge due to losing an electron.</p> Signup and view all the answers

    How does the number of protons in an atom's nucleus influence its ionic radius?

    <p>Higher number of protons decreases the ionic radius.</p> Signup and view all the answers

    What is the relationship between atomic radius and electronegativity?

    <p>Atoms with larger atomic radii have lower electronegativity.</p> Signup and view all the answers

    How does ionization energy relate to electronegativity and atomic radius?

    <p>Atoms with high ionization energy have low electronegativity and small atomic radius.</p> Signup and view all the answers

    How does moving down a group in the periodic table affect the atomic radius?

    <p>Atomic radius increases.</p> Signup and view all the answers

    What impact does the number of protons in the nucleus have on ionic radius?

    <p>More protons lead to a smaller ionic radius.</p> Signup and view all the answers

    How does electronegativity change as you move towards the top right of the periodic table?

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

    What happens to an atom's ionic radius when it becomes an ion?

    <p>Ionic radius decreases when an atom becomes an ion.</p> Signup and view all the answers

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