Question

A platinum mesh electrode is used to introduce atoms of this element into a sample material in a method called ■END■

ANSWER: hydrogen [or H; accept answers referring to hydrogen gas or dihydrogen or H2]
<Chen, Chemistry>
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Buzzes

PlayerTeamOpponentBuzz PositionValue
Delia CropperHeat-Oppressed BrainsYou, Me and the Big G65-5
Ewan MacAulayA VK a Day Keeps the Doctor AwayEugene o'Negging74-5
Brendan BethlehemEugene o'NeggingA VK a Day Keeps the Doctor Away12910
Alex GunasekeraYou, Me and the Big GHeat-Oppressed Brains13110

Summary

2024 ESPN @ Chicago03/23/2024Y6100%0%17%97.67
2024 ESPN @ Columbia03/23/2024Y6100%0%0%113.00
2024 ESPN @ Duke03/23/2024Y2100%0%50%122.00
2024 ESPN @ Brown04/06/2024Y1100%100%0%57.00
2024 ESPN @ Brown04/06/2024Y3100%33%33%84.67
2024 ESPN @ Cambridge04/06/2024Y2100%0%100%130.00
2024 ESPN @ Online06/01/2024Y3100%33%0%77.67