Take The Covalent Bonding Practice Quiz!

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| By Superoxideion01
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Superoxideion01
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  • 1/7 Questions

    Why do nonmetals covalently bond?

    • They want to create new chemical compounds.
    • They want full electron shells.
    • Because it's nature.
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About This Quiz


What do you know about covalent bonds? Covalent bonds are essential ways of bonding in organic chemistry, and the creation of covalent bonds is the result of atoms sharing some electrons. Examples of common covalent bonds include peptide and disulfide bonds between amino acids. There are two kinds of covalent bonds: non-polar and polar, and these are relatively strong bonds. This quiz will demonstrate your knowledge of covalent bonding.

Take The Covalent Bonding Practice Quiz! - Quiz

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  • 2. 

    Nitrogen has an electron configuration of 2,8,5. Chlorine has an electron configuration of 2,8,7. How many electrons do both elements need to get full outer shell?

    • Nitrogen needs 6, Chlorine needs 3

    • Nitrogen needs 3, Chlorine needs 2

    • Nitrogen needs 3, Chlorine needs 1

    Correct Answer
    A. Nitrogen needs 3, Chlorine needs 1
    Explanation
    A full outer shell has 8 electrons.
    Nitrogen has 5 out of 8, Chlorine has 7 out of 8.
    Nitrogen needs 3, Chlorine needs 1.

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  • 3. 

    Neon has an electron configuration of 2,8. Carbon has an electron configuration of 2,4. What will the chemical formula be?

    • C2Ne

    • There will be no chemical formula.

    • Ne2C2

    Correct Answer
    A. There will be no chemical formula.
    Explanation
    There will be no chemical formula.
    Why? Neon already has a full electron shell. It's not going to want to bond with Carbon.
    No covalent bonding here!

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  • 4. 

    What is an example of a diatomic molecule?

    • Sulphur and Oxygen bond to create SO2.

    • Nitrogen and Nitrogen bond to create N3.

    • Oxygen and Oxygen bond to create O2.

    Correct Answer
    A. Oxygen and Oxygen bond to create O2.
    Explanation
    Diatomic molecules are when TWO ATOMS of an element bond. O2 is a diatomic molecule because there are two atoms of oxygen.
    Two atoms of Nitrogen cannot create N3 - it is not a diatomic molecule. Three atoms of Nitrogen can create N3, however - this is called a triatomic molecule.

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  • 5. 

    Covalent bonds do not conduct electricity.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Covalent compounds do NOT conduct electricity. All of the electrons in the outer shells are fixed between specific atoms, so they are locked into place and therefore cannot pass charges.

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  • 6. 

    Covalent bonding the transferring of outer electrons between nonmetals.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    False. It is the SHARING of outer electrons between nonmetals.

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  • 7. 

    Nitrogen and Chlorine covalently bond. What is the chemical formula?

    • NCl3

    • N3Cl

    • NCl

    Correct Answer
    A. NCl3
    Explanation
    Since one atom of Nitrogen needs 3 electrons and one of Chlorine only needs 1....
    Simply bring another two atoms of Chlorine in.
    Nitrogen will get 3 electrons, 1 each from the three atoms of chlorine
    And the 3 atoms of chlorine will get 1 electron each from Nitrogen.
    So, Nitrogen TriChloride's formula is NCl3.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 06, 2011
    Quiz Created by
    Superoxideion01
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