Hannah Marsh

Atomic number 81

Symbol TI

Atomic weight 204.3833

This soft gray malleable poor metal resemble tin but discolors when exposed to air. Approximately 60-70% of thallium production is used in the electronics industry , and the rest is used in the pharmace.Thallium is a chemical element.Thallium is highly toxic and is used in rat poisons.Thallium is used to murder.