Thallium Pins and Buttons

A rich Thallium design. Thallium is a chemical element with symbol Tl and atomic number 81. This soft gray post-transition metal is not found free in nature. When isolated, thallium resembles tin, but discolors when exposed to air. Brought to you by Periodic-Tees.com

Tl is the periodic table element symbol for thallium.

The orbitals are swirling in Storistir to make holiday ornaments! Thallium has been used in the past as a rat poison, but was banned in many countries due to potential human harm, accidental or otherwise. Thallium is used in the manufacture of electronic devices and as a geochemical detector of solar neutrinos. Thallium is quite poisonous and can affect the nervous system, lung, heart, and liver.

Periodic table pun.

The heavy metals.