Lewis Structures and Molecular Models
Name: Amalie Schlegel
Date:
Section: 105
Part B: Several Lewis structures are given below. For each set of Lewis structures in the boxes below, build molecular models using your model kit, then refer to the table on page 150 to determine the shape of each molecule.
Molecules with steric number = 4
Use the white balls for hydrogen, the black ones with four points of attachment for carbon, the red ones with four points of attachment for oxygen, and the blue ones with four points of attachment for nitrogen. Then, name the shape of the molecule in the space provided next to the Lewis Structure.
Shape:
Methane
Ammonia
Water
Molecules with steric number = 3
For each central atom below, use a "trigonal planar" piece from your model kit. These will have attachment points radiating in three directions and will be set up to form a double bond.
Shape:
Formaldehyde
Sulfur dioxide
Report Sheet Lewis Structures and Molecular Models
Name: Amalie Schlegel
Date: Section: 105
Shape of each molecule. Molecules with steric number = 4
Shape:
H
H
Methane H-N-H H Ammonia H-O-H Water
Molecules with steric number = 3
Shape:
:O: H-C-H
Formaldehyde
:O-S=O: Sulfur dioxide
REPORT SHEET - 151
