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3 cards from this section. Quick, good the night before a test.
What is an electron domain?
Think about where electrons are most concentrated around an atom.
Name the molecular shape of CO₂.
Consider how the electrons are arranged around the carbon atom.
What is the molecular geometry of CH₄?
Think about how many bonds are present around the carbon atom.
True or False: Lone pairs exert weaker repulsive forces than bonding pairs.
Lone pairs take up more space.
If a molecule has four electron domains, with two being lone pairs, what is its predicted molecular shape and approximate bond angles?
Think about how the lone pairs influence the geometry.
A compound with a trigonal bipyramidal geometry states that it has no lone pairs. Given this information, what can you infer about its symmetry and overall polarity?
Consider how bond dipoles' symmetry cancels out.
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