BRAINCAKEBond Angles
The bond angles depend on the number of bonding areas and the number of lone pairs.
A molecule with 4 bonding pairs and no lone pairs is tetrahedral with a bond angle of 109.5°.
For each lone pair the bond angle decreases by 2.5°
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Key terms in this lesson
- lone pair
- A pair of outer shell electrons on an atom that is not involved in bonding.
More in Discrete Molecules
- Dative Covalent Bonds
- Electron Pair Repulsion Theory
- The Shapes of Molecules
- Molecules with Multiple Bonds
- Shape and Polarity
- Polyatomic Ions
- London Forces
- Permanent Dipoles
All 25 lessons in Discrete Molecules · All Edexcel AS-level Chemistry topics