Period 5 element Klaproth named the new element in 1798 after the Latin word for "earth", "tellus". Gold telluride minerals (responsible for the name of Telluride, Colorado) are the most notable natural gold compounds. However, they are not a commercially significant source of tellurium itself, which is normally extracted as by-product of copper and lead production. Tellurium is commercially primarily used in alloys, foremost in steel and copper to improve machinability. Applications in solar panels and as a semiconductor material also consume a considerable fraction of tellurium production. Iodine is a chemical element with the symbol I and atomic number 53. The name
The Cu Bird Cu bird is dressed, it flies to better lands, and the other birds blame the hoot owl. This is why the latter calls at night to the Cu bird, "Ticú-ticú", and why it cannot see during the day. There is a song titled "El pájaro cu" in the Mexican Son Jarocho style. According to one source, "pájaro cu" is a name used in the Yucatan Peninsula for the russet-crowned motmot, a colorful bird. The Cu Bird The Cu bird (Spanish: "pájaro cu" or "cú") is a bird from a Mexican folktale that is unhappy with its looks. According to the