Thallium | Chemical Element, Poisonous Metal, Uses & Properties
https://www.britannica.com/science/thallium
WebMar 1, 2024 · Thallium (Tl), chemical element, metal of main Group 13 (IIIa, or boron group) of the periodic table, poisonous and of limited commercial value. Like lead, thallium is a soft, low-melting element of low tensile strength. Freshly cut thallium has a metallic lustre that dulls to bluish gray upon.
DA: 3 PA: 22 MOZ Rank: 66