unit 11 test Flashcards
1
Q
electron domain of 2
A
linear
1
Q
electron domain of 3
A
triagnal planar
1
Q
electron domain of 4
A
tetrahedral
1
Q
linear molecular geometry
A
-bond angle 180
-type is MX2
-2 domains
- no unshared pairs
2
Q
triagonal planar bent geometry
A
-bond angle <120
-type MX2E
-1 unshared pair
-3 domains
3
Q
triagonal planar geometry
A
-3 domains
-bond angle 120
-type MX3
-no unshared pairs
4
Q
tetrahedral geometry
A
- bond angle 109.5
-4 domains
-type MX4
-no unshared pairs
5
Q
triganol pyramidal geometry
A
-bond angle <109.5
-4 domains
-type MX3E
-1 unshared pair
6
Q
tetrahedral bent geometry
A
- bond angle <109.5
-4 domains
-type MX2E2
-2 unshared pairs
7
Q
non polar molecules are
A
symmetrical
8
Q
causes of polarity- asymmetry
A
- asymmetrical shape
-different terminal atoms
-lone pair
8
Q
polar molecules are
A
asymmetrical
9
Q
causes of polarity- polar bonds
A
-large electronegativity difference
10
Q
polar/ non polar geometries
A
- linear
- triagonal planar
- tetrahedral
11
Q
always polar geometries
A
-bent
-triagonal pyrimidal
