Chemical Bonding Worksheets Page 16
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22E: bent (or angular) (central atom and 2 outer atoms have a bent shape)
AX
2
– Example: Give the Lewis diagram, shape, and bond angles for SO
.
2
Lewis structure
3D sketch of molecule w/ bond angle
Steric Number (SN) = 3
→ Start with AX
molecule and replace one X atom w/ a lone pair of electrons (E) → AX
E
3
2
E: trigonal pyramid (central atom and 3 outer atoms make a pyramid)
AX
3
– Example: Give the Lewis structure and shape for NH
(including bond angles).
3
Lewis structure
3D sketch of molecule w/ bond angle
Steric Number (SN) = 4
→ Start with AX
molecule and replace one X atom with a lone pair of electrons (E)
4
→ AX
E
3
bent (or angular) (central atom and 2 outer atoms have a bent shape)
AX
E
:
2
2
– Example: Give the Lewis structure and shape for H
O (including bond angles).
2
Lewis structure
3D sketch of molecule w/ bond angle
Steric Number (SN) = 4
→ Start with AX
molecule and replace two X atoms with two lone pairs of electrons (E)
4
→ AX
E
2
2
CHEM 121 Tro Chapter 10 F2012
page 16 of 22
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education