2
2a. Draw the resonance structures for carbonate ion, CO
.
3
−
resonance structure
Sketch of molecule
2
b. CO
’s shape is _____________________________ and its bond angles are __________.
3
−
c. Sketch the molecule above.
2
d. Sketch the 3D arrangement of atoms in the carbonate ion, CO
using ball-and-stick
3
−
representations, then draw the following:
i. The unhybridized p orbitals for the C atom and the three outer O atoms and the resulting
MOs holding the delocalized electrons—i.e., electrons shared by all four atoms
ii. The σ and π bonds in the polyatomic ion
CHEM
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C hapter
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