Ionic And Covalent Bonds Quiz! By Victoria Henderson

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Ionic And Covalent Bonds Quiz! By Victoria Henderson - Quiz

A chemistry quiz on the basics of covalent, and ionic bonding, along with the octet rule and lewis dot structure.


Questions and Answers
  • 1. 

    Why do atoms bond?

    • A.

      Atoms bond because they have a need to have their outermost level of electrons be "full".

    • B.

      Atoms bond because they need to complete their valence electrons to 9.

    • C.

      Atoms bonds when they have a complete outer shell of electrons.

    • D.

      All of the above

    Correct Answer
    A. Atoms bond because they have a need to have their outermost level of electrons be "full".
    Explanation
    Atoms bond because they have a need to have their outermost level of electrons be "full". This is because atoms are more stable when their outermost energy level is filled with electrons. When atoms bond, they share, gain, or lose electrons in order to achieve a full outer shell. This allows them to achieve a more stable electron configuration, which is energetically favorable.

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  • 2. 

    _________ states that elements in the second row of the periodic table cannot have more than eight valence electrons around them, whether as non-bonding electrons or in chemical bonds.

    Correct Answer
    the octet rule
    Explanation
    The octet rule is a principle in chemistry that states that elements in the second row of the periodic table cannot have more than eight valence electrons around them. This includes both non-bonding electrons and electrons involved in chemical bonds. This rule is based on the observation that elements tend to gain, lose, or share electrons to achieve a stable electron configuration similar to that of the noble gases, which have eight valence electrons. By following the octet rule, atoms can achieve a more stable and lower energy state.

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  • 3. 

    This is an example of ??

    • A.

      Covalent bonding

    • B.

      Lewis dot structure

    • C.

      Ionic bonding

    Correct Answer
    B. Lewis dot structure
    Explanation
    This question is asking for the term that best describes the given example. The correct answer is "lewis dot structure." A Lewis dot structure is a diagram that represents the valence electrons of an atom and the bonds formed between atoms in a molecule. This is the most appropriate choice because it directly relates to the concept described in the question.

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  • 4. 

    A double bond involves two pairs of electrons.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    A double bond involves two pairs of electrons. This is because a double bond consists of two covalent bonds, where each bond is formed by the sharing of two electrons between two atoms. Therefore, a double bond indeed involves two pairs of electrons.

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  • 5. 

     Which of the statements about ionic solids is FALSE?

    • A.

      Ionic solids conduct electricity when dissolved in water.

    • B.

      Ionic solids have high melting temperatures.

    • C.

      Ionic solids are good conductors of electricity.

    • D.

      Ionic solids can be formed by reacting an alkali metal with a halogen.

    • E.

      Ionic solids form crystals.

    Correct Answer
    C. Ionic solids are good conductors of electricity.
    Explanation
    Ionic solids are not good conductors of electricity. Unlike metals, which have free-moving electrons that allow for the flow of electricity, ionic solids have a rigid lattice structure with ions held in place by strong electrostatic forces. These ions are not able to move freely, preventing the flow of electric current. However, when dissolved in water or melted, the ions become mobile and can conduct electricity.

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  • 6. 

    When a chemical symbol for the atom is surrounded by a number of dots corresponding to the number of valence electrons it is a ______________?

    Correct Answer
    lewis dot structure
    Explanation
    When a chemical symbol for the atom is surrounded by a number of dots corresponding to the number of valence electrons, it is a Lewis dot structure. Lewis dot structures are a way to represent the valence electrons of an atom using dots placed around the chemical symbol. The number of dots represents the number of valence electrons. This notation helps to understand the bonding and electron distribution in molecules and ions.

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  • 7. 

    Non-metals tend to _______ electrons to be come ________ ions.

    • A.

      Lose, positive

    • B.

      Gain, negative

    • C.

      Lose, negative

    Correct Answer
    B. Gain, negative
    Explanation
    Non-metals tend to gain electrons to become negative ions. This is because non-metals have high electronegativity, which means they have a strong attraction for electrons. By gaining electrons, non-metals can achieve a stable electron configuration similar to that of noble gases, which have a full outer shell of electrons. This gain of electrons results in the formation of negative ions.

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  • 8. 

    In an   _____________    bond, the atoms are bound together by the attraction between oppositely-charged ions.

    Correct Answer
    ionic
    Explanation
    In an ionic bond, the atoms are bound together by the attraction between oppositely-charged ions. Ionic bonds occur when one atom donates electrons to another atom, resulting in the formation of positive and negative ions. These ions are then attracted to each other due to their opposite charges, creating a strong bond between the atoms. Ionic bonds typically occur between metals and non-metals, as metals tend to donate electrons and non-metals tend to accept them. This type of bond is characterized by its high melting and boiling points, as well as its ability to conduct electricity when dissolved in water.

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  • 9. 

    In a ______________ bond, the atoms are bound by shared electrons.

    Correct Answer
    covalent
    Explanation
    In a covalent bond, atoms are bound by shared electrons. This type of bond occurs when two or more nonmetal atoms share electrons in order to achieve a stable electron configuration. The shared electrons create a strong bond between the atoms, allowing them to form molecules. Covalent bonds are typically found in compounds composed of nonmetals and are characterized by the sharing of electrons rather than the transfer of electrons between atoms.

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  • 10. 

    Sodium and chloride form a covalent bond.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Sodium and chloride do not form a covalent bond. They actually form an ionic bond. In an ionic bond, sodium donates an electron to chlorine, resulting in the formation of sodium cations and chloride anions. These oppositely charged ions are attracted to each other, creating the ionic bond. Covalent bonds, on the other hand, involve the sharing of electrons between atoms.

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  • Current Version
  • Sep 13, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 09, 2010
    Quiz Created by
    Sseery
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