Tellurium

Tellurium was discovered as a new chemical element during the examination of gold ore. It was initially confused with other elements, but upon further analysis, it was classified as a new element, contributing to the periodic table and chemical knowledge.
 Franz Joseph Muller Austria 1782 Tellurium

Tellurium was discovered as a new chemical element during the examination of gold ore. It was initially confused with other elements, but upon further analysis, it was classified as a new element, contributing to the periodic table and chemical knowledge.