group 7 halogens

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Chemistry

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6 Terms

1
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what do more reactive halogens do?

displace less reactive halogens

2
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what colour is chlorine

yellow-green gas

3
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what colour is bromine?

red-brown liquid

4
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what colour is iodine?

grey solid

5
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what does iodine form when warmed?

a purple vapour

6
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which halogen is the most reactive?

fluorine