Round 3: Tossup 16

Octahedra of this element’s oxyanion are linked to silicate tetrahedra in kaolinite. Inclusions of calcium and this element (15[1])are used to define the age of the solar system. Oxides of this non-transition metal element are passed through a flame-fusion process named for Verneuil. Oxides of silicon and this element make up adsorbent, microporous catalysts known as (15[1])zeolites. (15[1])All (*) feldspars contain silicon, (10[1])oxygen, and this element. This element is the most abundant metal in Earth’s crust. (10[1])The Bayer process (10[1]-5[1])refines the oxide of this element from its ore, bauxite. For 10 points, name this element usually found in soda cans and foil. ■END■

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