Bonding Concepts Worksheet - Unit 8/9, Michalek Page 30

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AP Chemistry - Michalek
30
Unit 08 Bonding Concepts
Worksheet 9.01
Name ___________________________________
MOs and Bond Order
1. Use the molecular orbital model, write electron configurations for the following diatomic species and calculate
the bond orders. Are they paramagnetic or diamagnetic? Li
, O
, C
2
2
2
2. Use the molecular orbital model, write electron configurations for the following diatomic species and calculate
+
+2
the bond orders. Are they paramagnetic or diamagnetic? CO, CO
, CO
.
3. Place the species in number two in order of increasing bond length and increasing energy. Explain your answer.
-
4. Describe the bonding in O
molecule and the NO
ion using the localized electron model. How would the
3
2
molecular orbital model describe the pi bonding in these two species?

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