Bonus

The most common example of these structures contains 60 carbon atoms arranged into a soccer ball–like structure consisting of hexagons and pentagons. For 10 points each:
[10e] Name these complex carbon allotropes. They are named for an American architect who was fond of geodesic domes.
ANSWER: buckminsterfullerenes [accept buckyballs]
[10m] Molecules with this relation to a buckyball may undergo unusual chemistry due to pi-electron density being shifted to the fullerene’s surface. Molecules in this state are denoted with an @ (“at symbol”).
ANSWER: the molecule is inside the fullerene [accept common language equivalents like in the interior or encased in]
[10h] These buckminsterfullerene analogs were considered fully theoretical until Zhai et al. used photoelectron spectroscopy to observe them in 2014. These electron-deficient molecules notably have 40 atoms instead of 60.
ANSWER: all-boron fullerenes [or borospherenes]
<Chemistry>
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Conversion

TeamOpponentPart 1Part 2Part 3TotalParts
Arizona StateNYU1010020EM
British ColumbiaFlorida100010E
Chicago BIowa State100010E
Columbia AIndiana1010020EM
Columbia BVanderbilt100010E
Cornell BVirginia100010E
Georgia StateOttawa100010E
Georgia TechToronto C100010E
Illinois BWinona State100010E
LSEWaterloo B100010E
MarylandUCF1010020EM
MinnesotaJohns Hopkins100010E
North Carolina AUC Berkeley A1010020EM
Ohio StateMichigan100010E
Penn StateYale100010E
RITNorth Carolina B100010E
RutgersWUSTL A100010E
StanfordChicago A100010E
TexasHarvard1001020EH
Toronto AIllinois A1010020EM
Toronto BMIT100010E
Virginia TechCornell A100010E
WUSTL BUC Berkeley B1010020EM
Waterloo ANorthwestern1010020EM

Summary

TournamentExact Match?HeardPPBEasy %Medium %Hard %
2025 ACF NationalsYes2413.33100%29%4%