Ionic Bonds And Covalent Bonds (Allie Brady)

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Covalent Bond Quizzes & Trivia

By: Alexandra Brady


Questions and Answers
  • 1. 

    An Ionic bond is formed between atoms of ___________.

    • A.

      Metals and nonmetals

    • B.

      Metals

    • C.

      Nonmetals

    • D.

      Alloys

    • E.

      Electrolytes

    Correct Answer
    A. Metals and nonmetals
    Explanation
    Ionic bonds are formed between atoms of metals and nonmetals. This is because metals tend to lose electrons and become positively charged ions, while nonmetals tend to gain electrons and become negatively charged ions. The attraction between these oppositely charged ions results in the formation of an ionic bond.

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  • 2. 

    In a(n)  ____________ bond, electrons are shared

    Correct Answer
    covalent
    Covalent
    Explanation
    Covalent bonds are formed when electrons are shared between atoms. In a covalent bond, the participating atoms share one or more pairs of electrons, resulting in a stable arrangement. This type of bond is commonly found in molecules and compounds composed of nonmetals. The correct answer, "covalent," is the adjective form of the word that describes this type of bond.

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  • 3. 

    The bond formed when Mg combines with O2 is _____.

    • A.

      Ionic

    • B.

      Metallic

    • C.

      Covalent

    Correct Answer
    A. Ionic
    Explanation
    When magnesium (Mg) combines with oxygen (O2), it forms an ionic bond. Ionic bonds are formed between a metal and a non-metal, where the metal loses electrons to become a positively charged ion (cation) and the non-metal gains those electrons to become a negatively charged ion (anion). In this case, magnesium loses two electrons to form Mg2+ cation, while oxygen gains two electrons to form O2- anion. The attraction between these oppositely charged ions results in the formation of an ionic bond.

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  • 4. 

    Which of these is a property of an ionic compound?

    • A.

      Low Melting Point

    • B.

      Poor conductor of electricity

    • C.

      Crystal shape

    • D.

      Shared electron

    Correct Answer
    C. Crystal shape
    Explanation
    An ionic compound is composed of positively and negatively charged ions that are held together by electrostatic forces. These ions arrange themselves in a regular, repeating pattern called a crystal lattice, giving the compound a distinct crystal shape. Therefore, crystal shape is a property of an ionic compound.

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  • 5. 

    Ionic bonds form because ________________.

    • A.

      Two ions of the same charge are attracted to each other.

    • B.

      Two ions of different charges are attracted to each other.

    • C.

      Two atoms share electrons.

    • D.

      Two atoms share protons.

    Correct Answer
    B. Two ions of different charges are attracted to each other.
    Explanation
    Ionic bonds form because two ions of different charges are attracted to each other. In an ionic bond, one atom loses electrons to become a positively charged ion (cation), while another atom gains those electrons to become a negatively charged ion (anion). The opposite charges of the ions attract each other, creating a strong bond. This bond is formed through electrostatic forces between the positive and negative ions, rather than through the sharing of electrons or protons.

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  • 6. 

    Covalently bonding normally occurs between which types of elements?

    • A.

      Metals only

    • B.

      Nonmetals only

    • C.

      Metals and non-metals

    Correct Answer
    B. Nonmetals only
    Explanation
    Covalent bonding occurs between nonmetals only. Covalent bonds involve the sharing of electrons between atoms, and nonmetals have a higher electronegativity compared to metals. This means that nonmetals have a greater tendency to attract electrons, making them more likely to form covalent bonds. In contrast, metals tend to lose electrons to form positive ions and engage in ionic bonding. Therefore, the correct answer is nonmetals only.

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  • 7. 

    The combination of atoms formed in a covalent bond is called a ________.

    • A.

      Molecule

    • B.

      Model

    • C.

      Formula unit

    Correct Answer
    A. Molecule
    Explanation
    A molecule is the correct answer because in a covalent bond, atoms share electrons to form stable bonds. This sharing of electrons results in the formation of a stable unit called a molecule. A molecule consists of two or more atoms held together by covalent bonds. Therefore, a molecule is the combination of atoms that is formed in a covalent bond.

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  • 8. 

    What is the difference between covalent bonds and ionic bonds?

    • A.

      There is a difference in atoms involved.

    • B.

      Covalent bonds gain/lose electrons while ionic bonds share electrons.

    • C.

      Ionic bonds are only made in water.

    • D.

      Covalent bonds share electrons and in ionic bonds the atom will gain/lose electrons.

    Correct Answer
    D. Covalent bonds share electrons and in ionic bonds the atom will gain/lose electrons.
    Explanation
    Covalent bonds involve the sharing of electrons between atoms, while ionic bonds involve the transfer of electrons from one atom to another, resulting in one atom gaining electrons and the other losing electrons. This fundamental difference in electron behavior leads to distinct properties and characteristics of covalent and ionic compounds. Ionic bonds are not exclusively formed in water, as they can form in other environments as well.

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  • 9. 

    Rule that says the atoms will try to achieve a full set of eight valence electrons.

    Correct Answer
    Octet Rule
    octet rule
    Octet rule
    Explanation
    The Octet Rule is a rule in chemistry that states that atoms will try to achieve a full set of eight valence electrons in their outermost energy level. This is because having a full set of eight valence electrons makes the atom more stable. The Octet Rule helps to explain why atoms form chemical bonds and why certain elements tend to gain, lose, or share electrons in order to achieve a full octet.

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  • 10. 

    Sodium Chloride (NaCl) is an example of which type of bond?

    • A.

      Metallic

    • B.

      Covalent

    • C.

      Ionic

    Correct Answer
    C. Ionic
    Explanation
    Sodium Chloride (NaCl) is an example of an ionic bond because it is formed between a metal (sodium) and a non-metal (chlorine). In an ionic bond, one atom transfers electrons to another atom, resulting in the formation of positively charged ions (cations) and negatively charged ions (anions). In the case of NaCl, sodium donates an electron to chlorine, forming Na+ cations and Cl- anions. The attraction between these oppositely charged ions creates a strong bond, known as an ionic bond.

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