Tellurium (Te)

Tellurium is a rare metalloid used in solar panels and thermoelectric devices.

Crystalline tellurium burning with a vivid blue-green flame and billowing white smoke
Video: Crystalline tellurium burning with a vivid blue-green flame and billowing white smoke

Properties of Tellurium

Atomic number
52
Category
Metalloid
Atomic mass
127.6 u
Electron configuration
[Kr] 4d¹⁰ 5s² 5p⁴
Melting point
722.66 K (449.51 °C)
Boiling point
1261 K (987.85 °C)
Density
6.232 g/cm³
Electronegativity (Pauling)
2.1
Appearance
Silvery-white crystalloid
Discovered by
Franz-Joseph Müller von Reichenstein (1783)

Facts about Tellurium

  • Tellurium is named after the Latin word for Earth — "tellus"!
  • If you accidentally ingest tellurium, your breath smells like garlic for weeks!
  • Tellurium is rarer than gold in Earth's crust!
  • Tellurium is used in some of the most efficient solar panels!

Tellurium videos

Back to the periodic table · Tellurium on Wikipedia