sentence: Tellurides are the main source of tellurium in the ground.
sentences_before: Telluride' is an ion. Chemical compounds containing this ion are called 'tellurides'. Examples are sodium telluride and hydrogen telluride. Tellurides are strong reducing agents. Some tellurides are impure, making them weaker reducing agents.
sentences_after: It only exists at very high pH. At lower pH's, hydrogen telluride, HTe-, is made.
concept_name: telluride
headings: Telluride
categories: Tellurium compounds