They are easily shaped (cut or bent); do not corrode easily (gold not at all, copper slowly); gold is scarce, giving it extra status and value; they are relatively strong without being brittle; their attractive 'different colour' adds to their status too. Iron is used to make cooking pots.
Non toxic- lead pans have been historically used, but aren’t any longer. Copper also can be toxic with acidic contents unless coated.
High heat conductance- metals like aluminium or copper conduct heat super well, iron and steels work better than most people admit but aren’t top performers.
High emissivity surfaces are useful- for example cast iron will feel hot to the hand and cook food when the pan is up to temperature even if the hand or food is not touching the surface, but aluminium and stainless steel won’t
High temperature tolerance- aluminium alloys have marginal heat tolerance and pans will often distort, mercury can’t really be used because it’s a puddle at room temperature even(!) Iron/steel/titanium/copper shine here.
Easily formed- if a pan is too brittle, it becomes impossible to stamp them out without cracking
Cheap- pans made of solid gold, although they would have several amazing properties, such as very high thermal conductivity, are super rare for some reason!
Not too reactive- sodium, lithium, calcium or potassium pans- just no
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Answer:
They are easily shaped (cut or bent); do not corrode easily (gold not at all, copper slowly); gold is scarce, giving it extra status and value; they are relatively strong without being brittle; their attractive 'different colour' adds to their status too. Iron is used to make cooking pots.
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