Must know key words C3e
- Created by: Sophie
- Created on: 23-04-11 13:46
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Group 7: Elements classified under group 7 in the periodic table.
Colour and state: What an element looks like.
Halogens: A halogen is one of the highly reactive elements located in group 7 of the periodic table.
Chlorine: green gas, is a Halogen
Bromine: orange liquid, is a Halogen.
Iodine: Grey solid, is a Halogen
Decreasing reactivity:…
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