Transition Metals (Oxford AQA IGCSE Chemistry)
Revision Note
Author
Alexandra BrennanExpertise
Chemistry
Properties of Transition Metals
Transition metals are found in the centre of the Periodic Table between Group 2 and Group 3
Most metals are transition metals and have properties typical of a metal:
They are lustrous
They are hard and strong
They conduct heat and electricity
They have high melting points
Except mercury: This has a low melting point which is why it is a liquid at room temperature
The transition metals in the Periodic Table
There are some properties that are only typical of transition metals:
They form ions with different charges
E.g. Iron forms Fe2+ and Fe3+ ions
They form coloured compounds
E.g. Copper forms blue copper sulfate, black copper oxide and green copper carbonate
Coloured compounds formed by transition metal ions
They are useful as catalysts
E.g. Iron is used as the catalyst in the Haber process
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