this post was submitted on 28 Jan 2026
170 points (97.2% liked)

xkcd

14925 readers
7 users here now

A community for a webcomic of romance, sarcasm, math, and language.

founded 2 years ago
MODERATORS
 

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

you are viewing a single comment's thread
view the rest of the comments
[–] palordrolap@fedia.io 14 points 4 days ago (10 children)

There are exotic atoms in that chemical formula that aren't in the periodic table. Not even if you count the equivalent table of potential antimatter atoms.

Muonium is sure to exist in non-zero quantities at any one time, for example.

[–] kopasz7@sh.itjust.works 2 points 4 days ago (4 children)

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

load more comments (7 replies)