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Copper was one of the first metals discovered and used by humans; in the Middle Ages the use for weapons ceased long ago.

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How many times heavier is a copper atom compared to an oxygen atom?

A copper atom is about 63 times heavier than an oxygen atom. This is because copper has an atomic number of 29 and oxygen has an atomic number of 8, meaning that a copper atom has approximately 63 times more protons and neutrons in its nucleus than an oxygen atom.


How much copper is there in an alloy of mass 344g if brass is an alloy of metals copper and zinc mixed in the ratio 62 and 1 2 37 and 1 2?

A ratio of 62 times 1 times 2 times 37 by 12 equals 99 mass of copper.


Why was copper named copper?

The element copper was named after the Latin word Cyprium, which was named after an island called Cyprus. The Greek goddess Aphrodite or roman goddess Venus in mythology was usually known to be linked with the metal copper. During the times when people believed in the 4 elements (fire, air, water and earth) they used the symbol of copper to be used as the symbol for planet Venus. In the Greek times copper was known as Chalkos. In Roman times copper became known as Cyprium since it was mostly found mined in Cyprus. hope this helps :)


Where did you get cu in copper?

The notation Cu comes from the Latin "Cuprum", which means Copper.


What was the cure for measles in medieval times?

In medieval times, there was no specific cure for measles. Treatment typically involved rest, staying hydrated, and managing symptoms like fever and rash. Some herbal remedies or bloodletting may have been used as well, but they were not very effective.