matchon
matchon
26-06-2017
Chemistry
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what elements make up most of the mantle?
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Circusbaby
Circusbaby
26-06-2017
44.8% oxygen, 21.5% silicon, and 22.8% magnesium. There's also iron, aluminum, calcium, sodium, and potassium. These elements are all bound together in the form of silicate rocks, all of which take the form of oxides.
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