Covalent bonds
What Covalent bonds means in Combined Science GCSE, as defined for AQA.
Definitions of Covalent bonds
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Reference: AQA
Strong bonds within a molecule that hold atoms together and remain intact when a molecular substance melts or boils.
Bonds formed by non-metals sharing electrons, so they do not need to form ions at all in many compounds.
Topics that use Covalent bonds
- Metals and non-metals (AQA GCSE)
- Properties of small molecules (AQA GCSE)
Related terms
- Atomic number
- Chemical reactivity and ion formation
- Electrical conductivity
- Energy and changes of state
- Intermolecular forces
- Melting and boiling points
- Metals
- Non-metals
Using Covalent bonds in the exam
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