IONIC BOND
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Questions and Answers

What is the expected electron configuration for a potassium ion?

  • [Ar]4s1 (correct)
  • [Ar]4s2
  • [Ar]
  • [He]
  • Which of the following statements about chromium forming a cation is true?

  • It should lose its s electrons first.
  • It should gain s and p electrons.
  • It should gain electrons to form a cation.
  • It should lose its d electrons first. (correct)
  • What is the electron configuration of Mg2+?

  • [Ne] (correct)
  • [Ne]3s2
  • [He]
  • [Ar]3s2
  • In determining the charge on an anion from a nonmetal atom, the charge is equal to:

    <p>The number of electrons gained to fill the outer s and p orbitals.</p> Signup and view all the answers

    What is the electron configuration of Se2-?

    <p>[Ar]3d104s24p6</p> Signup and view all the answers

    Which of these represents the correct electron configuration for a P atom?

    <p>[Ne]3s23p3</p> Signup and view all the answers

    What is the expected electron configuration for an I- anion?

    <p>[Kr]</p> Signup and view all the answers

    Which electron configuration represents the oxide ion (O2-)?

    <p>[Ne]</p> Signup and view all the answers

    When forming a cation, which electrons does chromium lose first?

    <p>s electrons</p> Signup and view all the answers

    What electron configuration does Zn2+ have?

    <p>[Ar]</p> Signup and view all the answers

    What is the electron configuration of a Zn atom?

    <p>[Ar]3d10</p> Signup and view all the answers

    Which electron configuration represents the magnesium cation (Mg2+)?

    <p>[Ne]</p> Signup and view all the answers

    What is the electron configuration of an iodine atom?

    <p>[Kr]4d105s25p5</p> Signup and view all the answers

    From which noble gas is the electron configuration of the oxygen anion (O2-) derived?

    <p>Neon (Ne)</p> Signup and view all the answers

    What is the electron configuration of a selenium atom?

    <p>[Kr]4d105s24p4</p> Signup and view all the answers

    Which electron configuration represents the oxide ion (O2-)?

    <p>[Ne]</p> Signup and view all the answers

    What is the electron configuration of a potassium atom?

    <p>[Ar]</p> Signup and view all the answers

    From which noble gas is the electron configuration of the selenide ion (Se2-) derived?

    <p>Argon (Ar)</p> Signup and view all the answers

    Which electron configuration represents the phosphorus atom?

    <p>[Ne]3s23p3</p> Signup and view all the answers

    What is the charge on the iodide anion (I-)?

    <p>-1</p> Signup and view all the answers

    Write the electron configuration of a phosphorus atom and its negative ion.

    <p>P: [Ne]3s^23p^3; P^{3-}: [Ne]3s^23p^6</p> Signup and view all the answers

    Determine the electron configurations of the ions expected from potassium and magnesium.

    <p>K^{+}: [Ar]; Mg^{2+}: [Ne]</p> Signup and view all the answers

    Write the electron configurations of the anions formed by selenium and iodine.

    <p>Se^{2-}: [Ar]3d^{10}4s^24p^6; I^{-}: [Kr]4d^{10}5s^25p^6</p> Signup and view all the answers

    Determine the electron configuration of Zn^{2+} and Cr^{3+}.

    <p>Zn^{2+}: [Ar]3d^{10}; Cr^{3+}: [Ar]3d^3</p> Signup and view all the answers

    What is the charge on the oxide ion and its electron configuration?

    <p>2-; [Ne]2s^22p^6</p> Signup and view all the answers

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