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Halogens (Reactions (Halogens (Displacement of Halide Ions (Cl can…
Halogens
Reactions
Oxidizing agents
Electron acceptor
Metals
React easily with alkali and alkaline earth metals
Only at high temperatures
Non-metals
Fluorine is very reactive
React with glass in the present of moisture
The resulting chemical is inert
Halogens
They can be reactive between them
Iodine with chlorine
iodine monochlorine
Displacement of Halide Ions
Cl can displace Br and I
Br can displace I
iodine cannot displace neither of them
Not found naturally In the environment because of their reactivity
Found as ions or compounds
The most reactive halogen is Fluorine
Used for teflon and fluoride toothpaste
All non-metallic elements in the p block
They require 1 electron to compete their outer p shell
Very reactive
Exist as diatomic molecules
F and Cl: gases
Br: liquid
I and At: solid
Name given by Berzelius
The reactivity decreases when going down the group
2Na(s) + Cl2(g) = 2NaCl(s). This is the formula for common salt
Chlorine compounds are used as disinfectants and in plastic production
Bromine and iodine salts: photographic films and X-ray pictures