Group 1- the alkali metals

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Group 1- the alkali metals

  • very reactive so have to be stored in oil to stop them reacting with oxygen in the air.
  • reactivity increases as e move down the group
  • low density (lithium, sodium and potassium will all float on water)
  • very soft so can be cut with a knife
  • silvery, shiny look when first cut however, quickly go dull


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