Tossup

A powder of this element reduces iron oxide in exothermic welding due to its high affinity for oxygen. A catalyst of this element alloyed with nickel is activated (10[1])with sodium hydroxide (10[1])and is named for Murray Raney. This element is produced by dissolving a precursor in cryolite and electrolyzing the molten salt bath. (-5[1])This element is the third most abundant in the Earth’s crust after oxygen and silicon. (10[1]-5[1])This element is produced in the Hall–Héroult (“hall-ay-ROO”) process from its oxide, (10[1])which is isolated in the Bayer process for refining (10[1])bauxite (10[1])(“BOX-ite”). For 10 points, name this ultralight metal used to make soda cans and foil. ■END■ (10[2]0[1])

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