Chem 161 Chapter 9 Molecular Geometry Worksheet - Shape Determines Function Page 20
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402
The hybridization of one s and two 2p orbitals to form three sp
hybrid orbitals
To maximize the distance between electrons
2
in B, the three sp
orbitals in the B atom are
oriented in a triangular shape
→ trigonal planar shape (120˚ bond angle)
2
corresponds to sp
orbitals
Example: Sketch the the BH
molecule at the
3
right by showing the the H atoms with s
orbitals, & bonds as overlapping areas.
Case #3: CH
:
4
1. Draw the Lewis formula for the CH
4
molecule below:
Lewis formula
Sketch of molecule
2. The CH
molecule’s shape is ____________________ and the bond angles are ________.
4
Sketch the molecule above.
CHEM
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C hapter
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