Introductory Chemistry Study Set 7

Chemistry

Quiz 9 :

Chemical Bonds

Quiz 9 :

Chemical Bonds

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The Lewis electron diagram of an atom is shown below. This atom has a valence shell configuration of ns2np1. img
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True

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Electronegativity is a unitless number
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True False
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True

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The following is the accurate Lewis electron diagram for a P atom. img
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True False
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False

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When electrons are transferred to a central atom to form a compound, a covalent bond is formed.
True False
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Lone electron pairs are electrons that do not make covalent bonds.
True False
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BeCl2 is an example of an electron deficient molecule.
True False
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O is the central atom in an H2O molecule.
True False
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The equal sharing of electrons in a covalent bond is called a nonpolar covalent bond.
True False
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Most odd electron compounds are chemically inactive.
True False
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The measured strength of ionic bonding is called the lattice energy.
True False
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A Cl- ion has fulfilled the octet rule of valence electrons.
True False
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NO2 is an example of an odd electron molecule.
True False
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A Na atom needs to gain two electrons to fulfill the octet rule.
True False
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The H−H bond is an example of a covalent bond.
True False
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A C-H bond is a nonpolar covalent bond.
True False
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A Lewis electron dot diagram represents only the protons of an atom.
True False
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The following is the accurate Lewis electron diagram for a carbon atom. img
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A bond will definitely be polar covalent if the electronegativity difference between the atoms involved is 1.4.
True False
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An ionic bond is formed between two atoms with the same charge.
True False
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Strength of an ionic bond decreases with an increase in the magnitude of the charge.
True False
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