Tellurium

**Definition:** An element that is a member of the chalcogen family. It has the atomic symbol Te, atomic number 52, and atomic weight 127.60. It has been used as a coloring agent and in the manufacture of electrical equipment. Exposure may cause nausea, vomiting, and CNS depression.

**Tree numbers:** - D01.268.185.950 - D01.268.513.968