gold is more expensive than iron simply because iron is more common and gold is also a purer metal
No, gold is more expensive than silver as it is more rare
Yes.
they are more rare than other elements
More rare stronger and better looking
Because they mostly have a collectible value.
You are wrong. Copper is NOT more expensive than gold.
There have been times when iron was more valuable than gold. Most bronze age civilizations valued iron more highly than gold, as it was both rarer (iron ore is common, naturally occurring pure iron is not) and more useful (iron is significantly stronger than bronze, and much, much stronger than gold).
No, gold is more expensive than silver as it is more rare
yes platinium is much more expensive than gold
NO
the density of gold is approx 2 and 1/2 times more than iron
Platinum is more expensive than gold because of the difficulty associated with mining it. Platinum is harder to mine than gold, which means it requires more energy and effort to extract.
Yes, 14ct gold is more expensive than 9ct gold. This is because 14ct gold contains a higher percentage of pure gold compared to 9ct gold, making it more valuable.
Yes.
Saffron
yes
No, gold is around twice more expensive than iridium.