Probably either copper or iron.
Iron was discovered long before we had people who could be called scientists.
Because its stronger
Copper was discovered a very long time ago. the first recorded use of copper was atleast 10,000 BC so presumably it was discovered some time before that.
The iron is higher in they reactivity scale than copper , Therefore the copper will be replaced by iron to make iron sulfate and copper by itself.
iron
Probably either copper or iron.
No, it was not.
carbon, sulfer,iron, copper, and zinc
Iron was discovered long before we had people who could be called scientists.
Iron is extracted from iron ore. Copper is extracted from several ores, Chalcopyrite being one.
Because its stronger
Copper was discovered a very long time ago. the first recorded use of copper was atleast 10,000 BC so presumably it was discovered some time before that.
Bronze was probably alloyed before brass, yes. Bronze is copper and tin. Brass is copper and zinc. Bronze is the alloy most commonly found in ancient tools. But native copper itself was discovered before the alloys were.
We do not know. Copper was discovered before we had writing to keep records. People have used copper for about 6,000 years.
The use of iron dates back before recorded history. It is unknown who discovered iron.This answer is unknown due to the fact that the element was discovered before reliable records were created.It was been discoved for ancient times.
Iron is harder to refine than copper.