Chemistry GCSE
Halogens
What Halogens means in Chemistry GCSE, as defined for AQA.
Definition of Halogens
Check what you remember
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Reference: AQA
The elements in Group 7 of the periodic table, which have similar reactions because they all have seven electrons in their outer shell.
Topics that use Halogens
- Group 7 (AQA GCSE)
Related terms
- Diatomic molecules
- Displacement reactions
- Group 7 reactivity
- Group 7 trends
- Halide salts
- Intermolecular forces and physical states
- Ionic versus covalent bonding
- Non-metal character of the halogens
Using Halogens in the exam
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