True: also known as the Halogens, 7 electrons in their outer shell, form 1- ions, diatomic, fluorine is the most reactive, chlorine displaces iodine from potassium iodide, from coloured vapours, get less reactive down the group, form ionic bonds with metals, form covalent bonds with other non-metals, False: also known as the Noble Gases, full outer shells, form 1+ ions, fluorine is the least reactive, are all gases, iodine displaces bromine from potassium bromide, form colourless vapours, get more reactive down the group, form covalent bonds with metals, form ionic bonds with other non-metals,

Group 7

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