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C.R.E.A.M.
(mander.xyz)
A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.
Rules
0.995 kg of gold and 5g of protium
Actually less than that because only around 10% of the gold created this way (assuming a natural distribution of Hg isotopes) would be stable, so you'd get a bunch of β particles too. I don't even know how Au-201 would act, and it would comprise 30% of the output.
21 minute half life beta decay back to mercury.
Half Life 3 confirmed alright