CHM 2045C Module Four Sample Exam Name:_____Answers_____

Module Four- Part N: Geometry of Molecules 10 points

Use the dot/stick structures on the Part L page to state the geometry of the molecules:

Steric # = 2, 3, or 4

Bent Linear Trigonal Planer Planer Trigonal Pyramidal Tetrahedral

Steric # 5 or 6

Trigonal-bipyramidal Square Planer Seesaw T-shaped Octahedral

____Bent___1. H2O ____Linear__2. CO2 ____planer__3. C2H4 ____bent___4. SO2 _trigonal planer__5. SO3 _linear_________6. HCN _tetrahedral_____7. CH4 trigonal pyramidal_8. NH3 _trigonal planer__9. CH2O ___linear_________10. C2H2 trigonal-bipyramidal_Bonus. PF5 octahedral ________Bonus SF6

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