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

ANSWER: aluminum [or aluminium or Al; accept aluminum foil]
<USN A, Chemistry>
= Average correct buzz position

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Buzzes

PlayerTeamOpponentPositionValue
Jesse MindelNCSU AVirginia Tech C1710
Ilyas ChoukriVirginia Tech AUNC B3310
Liam RojasVirginia AUNC D3610
Andrea OwusuDuke AWilliam & Mary C3610
Fern FangVCU ATusculum A4810
Nathan RedfordLiberty AWilliam & Mary A5210
Charlie WeaverVirginia Tech BJMU A7410
Gabriel DoddsLiberty CLiberty B8810
Joseph ColeUNC ANCSU B9110

Summary

TournamentEditionTUHConv. %Neg %Average Buzz
UK (North)UK5100%40%69.00
UK (South)UK888%63%72.43
Northern CaliforniaUS4100%25%65.00
Southern CaliforniaUS7100%14%45.86
Eastern Canada (1)US4100%25%91.00
Eastern Canada (2)US989%22%72.88
FloridaUS4100%25%85.00
Great LakesUS11100%18%58.18
Lower Mid-AtlanticUS9100%0%52.78
Upper Mid-AtlanticUS9100%33%72.78
MidwestUS9100%0%49.33
NorthUS4100%25%81.25
PacificUS888%75%90.00
SoutheastUS1292%17%61.27
Upstate NYUS1100%100%103.00