this post was submitted on 28 Jan 2026
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xkcd #3200: Chemical Formula (imgs.xkcd.com)
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xkcd #3200: Chemical Formula

Title text:

Some of the atoms in the molecule are very weakly bound.

Transcript:

Transcript will show once it’s been added to explainxkcd.com

Source: https://xkcd.com/3200/

explainxkcd for #3200

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[–] kopasz7@sh.itjust.works 2 points 22 hours ago (1 children)

Still can't find blackholium, what element number is it?

[–] Trail@lemmy.world 2 points 15 hours ago (2 children)

-1

[–] palordrolap@fedia.io 2 points 10 hours ago (1 children)

-1 would be antihydrogen. Blackholium is whatever number is large enough to cause gravitational collapse, so probably one or two more than the largest neutron star.

[–] Trail@lemmy.world 1 points 2 hours ago

Yeah I was more like referring to an overflow or something.