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| the waste after processing mined ore that's full of impurities such as cyanide, mercury, and sulfuric acid |
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| considered the most dangerous mining |
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| uses an electrical current to supply electrons to metal ions therefore "reducing them" |
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| oldest ore, treats metals and their ores with heat in a blast furnace |
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| alkali and alkaline earth metals |
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| two families of elements of the periodic table contain most active metals |
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| which of the following processes requires the least amount of energy |
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| when an atom loses electrons |
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| a metal is usually obtained from its ore by a process called |
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| what is found uncombined in nature because it resists oxidation? |
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| can be drawn into thin wires |
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| easily hammered into sheets |
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| ranking metals in relative order of their chemical relativities |
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| H20, ocean water, and other elements such as ions. Water |
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| This layer contains N2, O2, Ne, and At; anything of air |
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| Earths interior can be divided into 3 major compositional layers, what are they? |
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| composed of lighter elements (Silicon, Oxygen) |
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| the division of the earth's interior that contains rocks made of oxygen, cilicon, and magnesium |
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| iron and nickel, solid inner core |
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