Tellurium was an element on the periodic table with the symbol Te. (TV: Shada [+]Loading...["Shada (TV story)"]) Its atomic weight was 128, its atomic number was 52, (PROSE: The Krotons [+]Loading...["The Krotons (novelisation)"]) and it was soluble in sulphuric acid.
The atmosphere of the Gonds' planet had hydrogen telluride.
The Krotons had a life system based on tellurium, and their Dynatrope machine ships were composed of 80% tellurium. (TV: The Krotons [+]Loading...["The Krotons (TV story)"])