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A powder of this element reduces iron oxide in exothermic welding due to its high affinity for oxygen. (10[1]-5[1])A catalyst of this element alloyed with nickel is activated (-5[1])with sodium hydroxide (10[1])and is named for Murray Raney. This element is produced by dissolving a precursor (-5[1])in cryolite and electrolyzing (10[1])the molten salt bath. This element is the third most abundant in the Earth’s crust after oxygen and silicon. This element is produced in the Hall–Héroult (“hall-ay-ROO”) process from its oxide, which is isolated in the Bayer process (-5[1])for refining bauxite (“BOX-ite”). For 10 (-5[1])points, name this ultralight metal used to make soda cans and foil. ■END■ (10[4]0[1])

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

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Buzzes

PlayerTeamOpponentPositionValue
Michael ShipmanCambridge DCambridge B1710
Ahmed AzhariCambridge ECambridge C17-5
Leo GodbeeBristolWarwick27-5
David LatimerImperial AImperial C3010
Antara BhattacharyaCambridge AImperial D44-5
Anirudh TerdalLSECardiff4810
James StadlerImperial BSouthampton85-5
Dan MillingtonBirminghamOxford90-5
Advaith JagannathCambridge CCambridge E10310
Mata CooperSouthamptonImperial B10310
Judah SolomonImperial DCambridge A10310
Nayaaz HashimOxfordBirmingham1030
Sia KaliaWarwickBristol10310

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