Bond Angles Flashcards
Name the shape and angles in BeCl2 as well as the number of lone and bonding pairs.
- Linear
- 180°
- 3 bonding pairs
- No lone pairs
Name the shape and angles in BCl3 as well as the number of lone and bonding pairs.
- Trigonal planar
- 120° between each Cl
- 3 bonding pairs
- No lone pairs
Name the shape and angles in CH4 as well as the number of lone and bonding pairs.
- Tetrahedral shape
- Bond angle of 109.5°
- 4 bonding pairs
- No lone pairs
Name the shape and angles in NH3 as well as the number of lone and bonding pairs.
- Trigonal pyramidal shape
- Bond angle of 107°
- 3 bonding pairs
- 1 lone pair
Name the shape and angles in NH4+ as well as the number of lone and bonding pairs.
- Tetrahedral shape
- Bond angle 109.5°
- 4 bonding pairs
- 0 lone pairs
Name the shape and angles in H2O as well as the number of lone and bonding pairs.
- Bent(angular) shape
- Bond angle between Oxygens is 104.5°
- 2 bonding pairs
- 2 lone pairs
Name the shape and angles in CO2 as well as the number of lone and bonding pairs.
- Linear shape
- Bond angle 180°
- 2 (double) bonding pairs
- 0 lone pairs
Name the shape and angles in PCl5(g) as well as the number of lone and bonding pairs.
- Trigonal bipyramidal shape
- Bond angle 90° between top Cl and Cl on middle plane. Other bond angles between Cl’s on middle plane 120°
- 5 bonding pairs
- 0 lone pairs
Name the shape and angles in SF6(g) as well as the number of lone and bonding pairs.
- Octahedral shape
- Bond angle 90°
- 6 bonding pairs
- 0 lone pairs
Name the shape and angles in XeF4 as well as the number of lone and bonding pairs.
- Square planar shape
- Bond angles 90°
- 4 bonding pairs
- 2 lone pairs(either side of central atom)
Is a bonding pair or lone pair more repulsive
Lone pair - this means the angles between two bonding atoms would be smaller than without a lone pair, as lone pairs greater repulsion is stronger than their repulsion of each other
