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13 cards from this deck
Central block, groups 3 to 12
Iron (Fe), copper (Cu), gold (Au)
High - remain solid at higher temps
1538°C
High - heavy for their size
Excellent conductors of heat and electricity
Can be hammered/rolled into sheets without breaking
Can be drawn into wires
Often form coloured compounds
Usually blue or green
Used as a catalyst to make ammonia
Fe²⁺ (iron II) and Fe³⁺ (iron III)
Less reactive - more stable
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