Download Molecular Geometry Activity

NAME:_______________________________________
CHEMISTRY - MOLECULAR GEOMETRY ACTIVITY
1. TWO
BONDED
PAIRS
Bond Angle:
Geometry:
Type:
2. THREE
BONDED
PAIRS
3. FOUR
BONDED
PAIRS
4. FIVE
BONDED
PAIRS
5. SIX
BONDED
PARIS
1.
2.
3.
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6.
1
UNSHARED
PAIR OF
ELECTRONS
ANGLES
180
TYPE of Structure
Description:
M=Central Atom
X=Substituent Atom
E=Lone Pair Electrons
Bond Angle:
Bond Angle:
Geometry:
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Bond Angle:
Bond Angle:
Bond Angle:
Geometry:
Geometry:
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Type:
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Bond Angle:
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Bond Angle:
Bond Angle:
Geometry:
Geometry:
Geometry:
Geometry:
Type:
Type:
Type:
Type:
Bond Angle:
Bond Angle:
Bond Angle:
Bond Angle:
Bond Angle:
Geometry:
Geometry:
Geometry:
Geometry:
Geometry:
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2 UNSHARED
PAIR OF
ELECTRONS
90
120
3
UNSHARED
PAIR OF
ELECTRONS
4
UNSHARED
PAIR OF
ELECTRONS
Draw a diagram of each of the geometries possible in the box provided.
List the Bond Angles and Geometries and Type of Structure
How many atoms are bonded to the central atom in a molecule that has:
a. a linear shape ___ b. a trigonal planar shape ___ c. a tetrahedral shape ___ d. a trigonal bipyramidal shape ___ e. an octahedral shape ___ ?
What other geometries are possible due to lone pairs ____________________________________________________________________________ ?
What is the maximum bond angle for any geometry?_______ What is the minimum bond angle for any geometry? _______
What influences restrict the maximum and minimum bond angles?___________________________________________________________________
Under what conditions is it possible to have the same geometry but different number of electrons?__________________________________________
Give two examples:_________________________________________________________________________________________________________
Judie Flint Baumwirt, 1995 Revised 1998. Adapted from Brady, James, E., General Chemistry Principles and Structure, 5th Ed. John Wiley & Sons, NY, 1990 pp. 262-273.