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15
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Compare and contrast polar covalent bond and non-polar covalent bond. Be sure to include information on electronegativity, electron sharing, etc.
Polar covalent bonds have an electronegativity diff.of 0.4-1.7; electrons aren’t shared equally. Non-polar electronegativity diff. of 0 shared equally
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15
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Shape of CO2
linear
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seesaw
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gold
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rocket
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thief
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Shape of AsBr3
trigonal pyramidal
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Unequal sharing of electrons between two bonded atoms ALWAYS indicates __________________.
a nonpolar covalent bond
an ionic bond
a polar covalent bond
a polar ionic bond
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____________________ is the energy required to break the bond between two covalently bonded atoms.
Resonance energy
Hybridization energy
Bond dissociation energy
none of the above
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15
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Which of the following elements has the greatest electronegativity?
Iodine
Chlorine
Fluorine
Bromine
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How many pi bonds are there in a triple bond?
1
2
3
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15
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Molecular compounds are generally composed of what kinds of atoms?
non-metals
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15
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Intermolecular attractions are _________ than either ionic or covalent bonds.
none of these
both weaker and stronger
weaker
stronger
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boom
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magnet
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gift
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thief
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seesaw
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gold
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gift
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baam
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A triple covalent bond shares how many total electrons?
6
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How many pairs of electrons are shared in a double covalent bond?
2 pairs
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Covalent bonds form when atoms ________ electrons.
share
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Which of the following elements has 4 valence electrons?
Carbon
Sulfur
Nitrogen
Boron
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