VSPER Theory Flashcards
0
Q
Triatomic linear
A
• Occurs if there are no unshared electrons in the center
• double bonds between the two electrons
Ex: CO2
180 degrees
1
Q
Diatomic linear
A
All mandatory diatomic elements
Ex: Br2
180 degrees
2
Q
Bent
A
• 3 elements in question
• center element has 2 unshared bonds
104.5 degrees
(Center element has no unshared bonds, the bond angle = 118 degrees)
3
Q
Trigonal pyramidal
A
• four elements
• central element has 2 unpaired electrons
107.5 degrees
4
Q
Trigonal planar
A
• Exception to the octet rule
• central element has no non bonding pairs
120 degrees
5
Q
Tetrahedral
A
• 5 atoms
• 4 shared bonds
109.5 degrees
6
Q
VSEPR
A
Valence shell electron pair repulsion
