Shapes of molecules and polyatomic ions Flashcards
No lone pairs, 23456 bonds
2- Linear
3- trigonal planar
4- tetrahedral
5- trigonal bipyrimidal
6- octahedral
1 lone pair, 3456 bonds
3- Bent
4- Trigonal pyramidal
5- Seasaw
6- Square pyramidal
2 Lone pairs, 456 bonds
4- Bent
5- T shaped
6- Square planar
3 lone pairs, 5 bonds
Linear
Electron pair Repulsion decreasing
Lone pair:Lone pair
Lone pair: bonding pair
Bonding:bonding
Angles in Linear
180
Angles in Trigonal planar
120
Angles in bent (3bonding pairs 1 lone)
<120
Angles in tetrahedral
109.5
Angles in trigonal pyramidal
<109.5
Angles in bent(4 bonding pairs 2 lone pairs)
«109.5
Angles in Trigonal bipyrimdal
90
120
Angles in seasaw
<90
<120
>180
Angle in T shaped
<90
Angle in octahedral
90
Angle in square pyramidal
<90
180
Angles in square planar
90
180