BRAINCAKEFour Pairs of Electrons
Carbon is in group 4 so methane CH4 has four C-H bonds. The four electron pairs repel each other into a tetrahedral arrangement so they are as far apart as possible in three-dimensional space. The bond angle is 109.5°
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Key terms in this lesson
- Group
- A vertical column of the periodic table, containing elements with the same number of outer-shell electrons.
More in Bonding
- The Importance of Hydrogen Bonding
- Electron Pair Repulsion Theory
- Two Pairs of Electrons
- Three Pairs of Electrons
- Five Pairs of Electrons
- Six Pairs of Electrons
- Bonding-Pair Lone-Pair Repulsion
- Heating a Solid, Liquid or Gas
All 30 lessons in Bonding · All AQA AS-level Chemistry topics