(U1) Shapes Of Molecules And Ions Flashcards
1
Q
When a molecule has 2 bonding pairs and 0 lone pairs, what is its:
- shape
- bond angle
- name an example
A
- linear shape
- 180º
- BeCl2 or CO2
2
Q
When a molecule has 3 bonding pairs and 0 lone pairs, what is its:
- shape
- bond angle
- name an example
A
- trigonal planar
- 120º
- BF3
3
Q
When a molecule has 4 bonding pairs and 0 lone pairs, what is its:
- shape
- bond angle
- name an example
A
- tetrahedral
- 109.5º
- CH4 or NH4+
4
Q
When a molecule has 3 bonding pairs and 1 lone pair, what is its:
- shape
- bond angle
- name an example
A
- pyramidal
- 107º
- NH3 or N3O+
5
Q
When a molecule has 2 bonding pairs and 2 lone pairs, what is its:
- shape
- bond angle
- name an example
A
- bent
- 104.5º
- H2O or BrF2+
6
Q
When a molecule has 5 bonding pairs and 0 lone pairs, what is its:
- shape
- bond angle
- name an example
A
- trigonal bipyramid
- 90º and 120º
- PF5
7
Q
When a molecule has 3 bonding pairs and 2 lone pairs, what is its:
- shape
- bond angle
- name an example
A
- T-shaped
- 86º
- BrF3 or ClF3
8
Q
When a molecule has 2 bonding pairs and 3 lone pairs, what is its:
- shape
- bond angle
- name an example
A
- linear
- 180º
- XeF2 and I3-
9
Q
When a molecule has 6 bonding pairs and 0 lone pairs, what is its:
- shape
- bond angle
- name an example
A
- octahedral
- 90º
- SF6
10
Q
When a molecule has 4 bonding pairs and 2 lone pairs, what is its:
- shape
- bond angle
- name an example
A
- square planar
- 90º
- BrF4- and XF4
