module 2: 6.1 shapes of molecules and intermolecular forces Flashcards
2.2.2 shapes of molecules and intermolecular forces
1
Q
bonded pairs that increase in repulsion
A
bonded-pair/bonded-pair < bonded-pair/lone-pair < lone-pair/-lone-pair
2
Q
how much is the bond angle reduced for each lone pair
A
2.5 degrees for each lone pair
3
Q
methane: bonded pairs lone pairs name of shape bond angle
A
4
0
tetrahedral
109.5
4
Q
ammonia: bonded pairs lone pairs name of shape bond angle
A
3
1
pyramidal
107
5
Q
water: bonded pairs lone pairs name of shape bond angle
A
2
2
non-linear
104.5
6
Q
CO2:
number of bonding regions/electron pairs
bond angle
name of shape
A
2
180
linear
7
Q
boron trifluoride BF3:
number of bonding regions/electron pairs
bond angle
name of shape
A
3
120
trigonal planar
8
Q
Sulfur hexafluoride SF6:
number of bonding regions/electron pairs
bond angle
name of shape
A
6
90
octahedral
