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Chemistry, 02.12.2019 17:31 tmrsavage02p7cj16
The eight most common elements in earth's crust are: o, si, al, fe, ca, na, k, and mg. these elements account for 98% of the atoms in earth's crust. these eight elements combine chemically with one another to make six main minerals which account for 90% of the minerals in earth's crust. these minerals, the so-called the rock forming minerals, are: feldspar, pyroxene, amphibole, mica and the last, made up of the two most abundant elements, is a) galena. b) gold. c) hematite. d) quartz.
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The eight most common elements in earth's crust are: o, si, al, fe, ca, na, k, and mg. these elemen...
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