Covalent Bond Questions: Quiz!

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Covalent Bond Questions: Quiz! - Quiz


In Chemistry, a covalent bond is the equal sharing of electrons from participating atoms. The pair of electrons involved in this type of bonding is called shared pair or bonding pair. Sharing bonding pairs will demonstrate that the atoms accomplish stability in their outer shell. The organization through sharing electron pairs among different or same kinds is known as a covalent bond. Taking this quiz will help you see how much you know about the covalent bond.


Questions and Answers
  • 1. 

    What is a covalent bond?

    • A.

      Form between a metal and a nonmetal

    • B.

      Form between two metals

    • C.

      Electrons are shared equally between the atoms

    • D.

      Donates an electron to the other atom participating in the bond

    Correct Answer
    C. Electrons are shared equally between the atoms
    Explanation
    A covalent bond is a type of chemical bond that forms between two nonmetal atoms. In this type of bond, electrons are shared equally between the atoms involved. This means that both atoms have an equal share of the electrons, creating a balanced distribution of charge. This sharing of electrons allows the atoms to achieve a stable electron configuration, making the bond strong and stable.

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  • 2. 

    The following are not compound uses common name is:

    • A.

      CH4

    • B.

      H2O

    • C.

      NH3

    • D.

      CO2

    Correct Answer
    D. CO2
    Explanation
    The given compounds CH4, H2O, NH3 are all examples of compounds with common names. However, CO2 is not a compound with a common name. It is commonly referred to as carbon dioxide, which is its systematic name.

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  • 3. 

    What is the common name of H2O2?

    • A.

      Ammonia

    • B.

      Hydrogen Peroxide

    • C.

      Methane

    • D.

      Water

    Correct Answer
    B. Hydrogen Peroxide
    Explanation
    Hydrogen peroxide is the common name for H2O2. It is a chemical compound consisting of two hydrogen atoms and two oxygen atoms. It is commonly used as a disinfectant and bleaching agent due to its strong oxidizing properties. Hydrogen peroxide is also used in various industries, such as pharmaceuticals, textiles, and electronics. It is important to note that while water (H2O) is also a common name for H2O2, the specific compound being referred to in this question is hydrogen peroxide.

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  • 4. 

    Write the name for Cl2.

    • A.

      Dichlorine

    • B.

      Dihydrogen

    • C.

      Difluorine

    • D.

      Dinitrogen

    Correct Answer
    A. Dichlorine
    Explanation
    The correct answer is Dichlorine. The name "Dichlorine" accurately represents the compound Cl2, which consists of two chlorine atoms bonded together. The prefix "di-" indicates the presence of two chlorine atoms, while "chlorine" indicates the element itself.

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  • 5. 

    Write the name for GeS2!

    • A.

      Germanium sulfide

    • B.

      Germanium disulfide

    • C.

      Digermanium sulfide

    • D.

      Digermanium disulfide

    Correct Answer
    B. Germanium disulfide
    Explanation
    The correct answer is Germanium disulfide because it follows the naming convention for binary compounds, where the first element is named with its elemental name and the second element is named with the suffix "-ide" to indicate that it is an anion. In this case, "Germanium" is the name of the first element and "disulfide" indicates that it is a compound of two sulfur atoms.

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  • 6. 

    Write the name for S2Br2!

    • A.

      Sulfur bromide

    • B.

      Sulfur dibromide

    • C.

      Disulfur bromide

    • D.

      Disulfur dibromide

    Correct Answer
    D. Disulfur dibromide
    Explanation
    The name "Disulfur dibromide" accurately represents the compound S2Br2. The prefix "di" indicates that there are two bromine atoms bonded to the sulfur atoms, and "disulfur" indicates that there are two sulfur atoms in the compound. Therefore, "Disulfur dibromide" is the appropriate name for S2Br2.

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  • 7. 

    Write the formula for difluorine!

    • A.

      Cl2

    • B.

      H2

    • C.

      F2

    • D.

      N2

    Correct Answer
    C. F2
    Explanation
    The correct answer is F2 because "difluorine" refers to a molecule consisting of two fluorine atoms bonded together. The chemical symbol for fluorine is F, so the formula for difluorine is F2.

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  • 8. 

    Write the formula for boron trichloride!

    • A.

      BCl

    • B.

      BCl3

    • C.

      B3Cl

    • D.

      B3Cl3

    Correct Answer
    B. BCl3
    Explanation
    The correct formula for boron trichloride is BCl3. This is because boron typically forms three bonds, and chlorine is a halogen that forms one bond. Therefore, when boron combines with three chlorine atoms, it forms boron trichloride.

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  • 9. 

    Write the formula for tetraphosphorus decoxide!

    • A.

      P4O10

    • B.

      P4O9

    • C.

      P4O8

    • D.

      P4O7

    Correct Answer
    A. P4O10
    Explanation
    Tetraphosphorus decoxide is represented by the chemical formula P4O10. The prefix "tetra-" indicates that there are four phosphorus atoms in the compound, and "decoxide" indicates that there are ten oxygen atoms. Therefore, the correct formula is P4O10.

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