Mining and Refining: The Halogens

?w=800" alt=""/>I was looking at the periodic table of the elements the other day, as one does, when my eye fell upon the right-hand side of the chart. Right next to https://hackaday.com/2025/01/21/mining-and-refining-the-halogens/

https://hackaday.com/2025/01/21/mining-and-refining-the-halogens/