Group 7 (AQA GCSE Chemistry): Flashcards
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14 cards from this deck
Name for Group 7 elements
Name for Group 7 elements
Halogens
Electrons in outer shell of halogens
Electrons in outer shell of halogens
Seven
Most reactive halogen
Most reactive halogen
Fluorine
Least reactive halogen
Least reactive halogen
Astatine
Molecular structure of halogens (e.g. )
Molecular structure of halogens (e.g. )
Diatomic molecules
Compounds formed when halogens react with metals
Compounds formed when halogens react with metals
Ionic compounds
Charge of halide ions (e.g. )
Charge of halide ions (e.g. )
-1
Reactivity trend down Group 7
Reactivity trend down Group 7
Decreases (gets less reactive)
Melting/boiling point trend down Group 7
Melting/boiling point trend down Group 7
Increases (gets higher)
Displacement reaction in halogens
Displacement reaction in halogens
More reactive halogen pushes out less reactive from compound
Halogens that chlorine can displace
Halogens that chlorine can displace
Bromine and iodine
Halogens that bromine can displace
Halogens that bromine can displace
Iodine only
Colour of bromine in solution
Colour of bromine in solution
Orange
Colour of iodine in solution
Colour of iodine in solution
Brown