|London, Lille—William Crookes, Claude-Auguste Lamy elements
Separately, William Crookes and Claude-Auguste Lamy read that Bunsen and Kirchhoff discovered caesium and rubidium using flame spectroscopy— and took inspiration from Berzelius and Gahn by examining residues from lead chambers used for sulfuric acid production.
Atomic number 81
Although it’s odorless and tasteless, thallium is extremely toxic and thought to be carcinogenic. It’s absorbed easily through skin, or by breathing or swallowing it.
I think I might have something wrong with my thallium. When it comes to how I feel, a doctor can’t tell me anything.