The Halogens 0.0 / 5 ? ChemistryThe halogensGCSEEdexcel Created by: elliekhannaCreated on: 15-06-16 08:52 What is the order of reactivity of group 7 elements More reactive as you move up the group 1 of 9 Why is flourine more reactive than iodine There are less shells on flourine so greater forces of attraction to pull in an electron to complete outer shell and iodine has a lot more shells 2 of 9 What are the properties of flourine A colourless gas 3 of 9 What are the properties of chlorine a green, toxic gas 4 of 9 What are the properties of bromine A orange, toxic liquid that is volatile 5 of 9 What are the properties of iodine A grey, crystalline solid that sublimes a purple gas 6 of 9 When a halogen reacts with a metal what is formed A salt (metal halide) 7 of 9 When a halogen reacts with hydrogen what is formed A hydrogen halide which is soluble in water and forms an acid 8 of 9 What is a displacement reaction WHen a more reactive element displaces a less reactive one from its compound 9 of 9
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