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Group 7 elements - Coggle Diagram
Group 7 elements
Iodine
Color = Grey
State = solid
found in seaweeds
Density = 4.933
The reaction is low
Found in seaweed
Bromine
Color = Orange
Density = 3.1028
Easily vaporises
Has to be warmed and iron wool heated.
The reaction is faster
State = Liquid
Fluorine
Density = 0.0017
State = Gas
Color = Pale Yellow
Reacts with almost anything instanty
Most reactive element
Chlorine
Reacts with heated iron wool very quickly
Color = Green
Density = 0.0032
State = Gas
Found in oceans
Called halogens
gets less reactive as you go down the group
Non- Metalic
Color gets darker as we move down the group
Gains electrons
Gas - Liquid - Solid
The melting points and boiling points of the halogens increase going down group 7