6.How many electrons do halogens have in their outer shell?
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Card 7
Front
7.Describe the appearance and physical states of the following halogens at room temperature and pressure: a)chlorine b)bromine c)iodine
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Card 8
Front
8.Describe how the reactivity of the elements changes as you go down Group 7.
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Card 9
Front
9.Give the name of the salt formed when potassium reacts with bromine.
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Card 10
Front
10.Chlorine can displace bromine from potassium bromide. a)write an equation for this reaction. b)Describe the colour change that you would see when this reaction happened.
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Card 11
Front
11.Can iodine displace bromine from potassium bromide solution?
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Card 12
Front
12.True or false? The noble gases generally exist as diatomic molecules.
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Card 13
Front
13.Why are the elements in Group 0 inert?
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Card 14
Front
14.True or false? The easier it is for a metal atom to form a positive ion, the more reactive it will be.
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Card 15
Front
15.You are given samples of 4 mystery metals and some dilute hydrochloric acid. Briefly describe how you could use these things to work out a reactivity series of the four metals.
