Mind map
Group 7
Mind map: Group 7 halogens
Map content
Group 7
Van der Waals increase down group due to increase in electrons
- Boiling points increase.
Reactivity decreases down the group
- Atomic radius increases
- Shielding increases
- Nuclear attraction for other electrons is not as strong
Need to attract an electron to form octet!!! - ion
Halide ions
- Chlorine + silver = white precipitate
- Soluble in dilute ammonia
- Bromine + silver = cream precipitate
- Soluble in concentrated ammonia
- Iodine + silver = yellow precipitate
- Insoluble in concentrated ammonia
- Chlorine + silver = white precipitate
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- Mind Map on Group 7, created by rachbreen on 07/05/2013.
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- rachbreen
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