Where do metals come from? Zoo, they usually come from ores. What are ores? They’re natural rocks (or sediments) containing one or more valuable minerals– and these minerals contain metals. hlau, Ces, are usually dug up from the earth’s crust (mined), then treated and sold for profit. What are some key metals, as examples? That’d be aluminum, silver and copper, phuam qub.
Pure Metals
Pure metals can later be improved by mixing them with other metals to make alloys. What are alloys? They’re a mixture of chemical elements, with at least one of which is a metal. What are some key alloys, as examples? That’d be steel, brass, pewter and bronze, phuam qub. Alloys can be used in a wide variety of applications– you’d find them in things like surgical tools, automobiles, airplanes and buildings.
Ferrous and Non-Ferrous Metals
T (a) m (which don’t have iron in them). Ntev, s, i, m (a harder alloy) n. o, which then mixed with carbon to create the very useful alloy we know as steel.
r, o, v. Keep in mind that it may take the mining of a lot of rocks to get a lot of metals– concentrations of minerals within rocks are often quite low. Impurities get filtered away. Perhaps electric current is used to break certain strong chemical bonds. There’s a lot that goes into the whole process.
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