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15 cards from this deck
Yellow-green gas
Orange-red liquid
Shiny grey solid
Decreases down the group
7 electrons
Outer e- further from nucleus, less attraction
Increase down the group
White solids
Kills bacteria in drinking water & swimming pools
Sodium chlorate(I) / NaOClNaOClNaOCl (bleach)
Disinfectant stronger; antiseptic safe on skin
Antiseptic to kill bacteria
Added to toothpaste & water; reduce dental decay
Photographic film (sensitive to light)
Chlorine gas, hydrogen gas, sodium hydroxide
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