113
xkcd #3242: Aperiodic Table
(thelemmy.club)
Title text:
Scientists occasionally invent alternative periodic table layouts, which is usually a sign that they don't have enough enrichment in their enclosures.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3242/
I never thought of radioactive decay as a form of snakes and ladders.