1
Q
2 atoms surrounding central atom
A
linear180
bent or angular <120
Bent/angular <109.5
2
Q
3 atoms surrounding central atom
A
trigonal planar 120
trigonal pyramid <109
3
Q
4 atoms surrounding central atom
A
tetrahedral 109.5
4
Q
2 atoms
A
Linear 180
5
Q
3 atoms , does it have lone pair
A
Yes-Bent or Angular <120, Bent/Angular <109.5
No-Linear- 180
6
Q
4 atoms , does it have lone pair
A
No- Trigonal Planar 120
Yes- trigonal pyramids <109.5
7
Q
5 atom
A
Tetrahedral- 109.5
8
Q
1.9<x>.40</x>
A
polar
9
Q
x<.40
A
nonpolar
10
Q
x>1.9
A
ionic
11
Q
Same surrounding atoms=symmetrical
A
nonpolar molecules
12
Q
A
Chem 108
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