Chemistry 112 ACS Flashcards Questions
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Energy (decreases/increases) with increasing wavelength?
Ans: decreases
Energy (decreases/increases) with increasing frequency?
Ans: increases
The energy gaps between levels (decrease/increase) as the energy
levels increase (n=1 to n=2 to n=3, etc.)
Ans: decreases
The O-Si-O bond angles in SiO₂ (quartz) are closest to...
Ans: 110°
A molecule with 0 lone pairs and 2 bonding electron pairs would be?
Ans: linear
A molecule with 1 lone pair and 2 bonding electron pairs would be?
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Ans: bent
A molecule with 3 bonding electron pairs and 1 lone pair would have
what VSEPR shape?
Ans: Trigonal pyramidal
A molecule with 4 bonding electron pairs and 1 lone pair of electrons
would have what VSEPR shape?
Ans: Seesaw
A molecule of 6 bonding electron pairs would have what shape?
Ans: Octahedral
Difference between molecular shape and geometry?
Ans: Shape refers to the orientation of atoms while geometry
accounts for both atoms and electron orientations.
A molecule of 3 bonding electron pairs and 2 lone pairs of electrons
would have what shape?
Ans: T shaped
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