The flashcards below were created by user
sberninghaus3
on FreezingBlue Flashcards.
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True or False.
Potassium, with a nuclear charge of +19 is less elctronegative than nitrogen, with a nuclear charge of +7
True.
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True or False.
Covalent bonding is the result of molecules sharing electrons?
True
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True or False.
The formal charge on the sulfur of sulfate dianion (SO4 3-) is +1.
False
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True or False.
In writing resonance structures both electrons and nuclei are permitted to be moved.
False
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True or False.
An atomic orbital is a region of space where the probability of finding an electron is high.
True
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True or False.
For a given molecule, an anti-bonding molecular orbital is higher energy than a bonding molecular orbital.
True or False
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True or False.
When atomic orbitals combine to form molecular orbitals, the number of molecular orbitals that results always equals the number of atomic orbitals that combine.
True
-
True or False.
The rotational energy barrier associated with a carbon--carbon single bond is usually very large.
False.
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True or False.
A carbon-carbon triple bond is longer than a carbon-carbon single bond.
False.
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True or False.
For the ammonia molecule, the non-bonding molecular orbital is higher energy than the bonding molecular orbitals.
True.
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True or False.
o-chlorotuluene is an equilibrium mixture of two constitutional isomers.
False
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True or False.
Electronegativity is a measure of the ability of an element to attract shared electrons in a covalent bond.
True
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True or False.
A dipole moment is a vector; it has both magnitude and direction.
True
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True or False.
1,1-dichloroethene has a zero dipole moment.
False.
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True or False.
The carbon bearing the hydroxyle group in isopropyl alcohol is a teriary carbon.
False.
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True or False.
A hydrogen bond is formed by hydrogen acting a bridge between two highly electronegative elements.
True
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True or False.
Polarizability is a measure of ease of response of electrons in a molecule to change in electric field.
True
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True or False.
the ammonia molecule has a tetrahedral shape
False
-
True or False.
Acetic acid is lower biolding point that ethyl alcohol.
False.
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