Quiz 4 Compounds and Their Bonds

Karen Timberlake

Answer the questions below and then click "submit" to send your answers.

  1. How many dots would be used for the electron-dot structure of carbon?

    2. Your answer:
    2
    8
    4
    6

  2. Indicate the number of electrons lost or gained by calcium and give the charge of the ion it forms.

    3. Your answer:
    Loses 2 electrons to form a calcium ion with 2- charge
    Gains 2 electrons to form a calcium ion with 2- charge
    Loses 2 electrons to form a calcium ion with 2+ charge
    Gains 2 electrons to form a calcium ion with 2+ charge

  3. How does chlorine form an ion?

    4. Your answer:
    Loses 1 electron to form Cl- ion
    Loses 1 electron to form Cl+ ion
    Gains 1 electron to form Cl- ion
    Gains 1 electron to form Cl+ ion

  4. When is the charge of the ions formed by the alkali metals?

    5. Your answer:
    1-
    2-
    1+
    2+

  5. What is the formula of the ion that has 16 protons and 18 electrons?

    6. Your answer:
    Ar2+
    S2-
    Ar2-
    S2+

  6. What is the correct formula for the compound containing aluminum ions and chloride ions?

    7. Your answer:
    3AlCl
    AlCl3
    Al3Cl
    AlCl

  7. What is the correct formula for the ionic compound formed between potassium and oxygen?

    8. Your answer:
    K2O
    2KO
    KO
    KO2

  8. What is the correct name of an ionic compound of Fe2+ and Cl-?

    9. Your answer:
    iron (III) chloride
    iron chloride
    iron (I) chloride
    iron (II) chloride

  9. What is the formula of iron(III) oxide?

    10. Your answer:
    FeO
    Fe3O
    Fe3O2
    Fe2O3

  10. What type of compound is N2O4 and what is its name?

    11. Your answer:
    covalent, dinitrogen tetroxide
    ionic, dinitrogen tetroxide
    covalent, dinitrogen oxide
    ionic, nitrogen oxide

  11. The formula of phosphorus trichloride is

    12. Your answer:
    P3Cl
    PCl3
    KCl
    PCl

  12. In a nonpolar covalent bond, the electrons in the bond are

    13. Your answer:
    shared equally
    gained
    shared unequally
    lost

  13. The bond between sulfur (electrongativity value 2.5)and chlorine (electrongativity value 3.0) is

    14. Your answer:
    polar covalent
    nonpolar covalent
    ionic
    not formed

  14. Some ionic compounds contain polyatomic ions, which are groups of atoms with an electrical charge. The formula of calcium nitrate is

    15. Your answer:
    Ca(NO3)2
    Ca2(NO3)
    CaNO3
    Ca3N2

  15. The name of the compound FeCO3 is

    16. Your answer:
    iron(II) carbonate
    iron(II) carbon trioxide
    iron(II) carbide
    iron carbonate

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