BRAINCAKEThe Shapes of Molecules
Electron pairs arrange themselves around a central atom so that the repulsion between them is a minimum. This is known as the electron pair repulsion theory.
Shapes depend on the number of lone pairs and bonding pairs.
Sign in free to see the rest of this lesson, the R.E.C.I.P.E. recall steps and the quiz
BrainCake is free. Make an account in seconds and pick up where this page stops.
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
- Expanded Octet Rule
- Displayed Formulae
- Dative Covalent Bonds
- Electron Pair Repulsion Theory
- Molecules with Multiple Bonds
- Bond Angles
- Shape and Polarity
- Polyatomic Ions
All 25 lessons in Discrete Molecules · All Edexcel AS-level Chemistry topics