Transition metals

Transition metals

1. where are they on the periodic table

   • between group 2 and 3
   • period 4 to 7

2. uses

   • as a catalylst in reactions
     • nickel to make margarine
     • iron to make ammonia
     • platinum for catalytic converters
   • to make statues or roofs
   • to colour gemstones
     • cobalt compounds give pink or blue colours
     • iron compounds give red or green
   • part of paint pigments and ceramic glazes
   • pipes

3. properties

   • physical properties
     • hard and strong
     • high melting points
     • high density
     • high boiling points
   • chemical properties
     • less reactive
       • iron reacts with oxygen and water very slowly when it rusts
       • gold doesn't react at all with water and oxygen
     • speed up certain chemical reactions without being used up themselves

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