Tellurium (Te): Properties, Uses and Facts in 3D

Tellurium is element 52 on the periodic table, a metalloid, with properties between metals and nonmetals. At room temperature it is a solid. Open it in the 3D Periodic Table to spin its tile, see its electron shells and read its story.

Tellurium (Te) shown in the VisionVix 3D Periodic TableExplore in 3D
Tellurium in the VisionVix 3D Periodic Table. Click the picture to open it live.

Tellurium quick facts

Atomic number52
SymbolTe
Atomic mass127.6
CategoryMetalloid
Group and periodGroup 16, period 5
Blockp-block
State at room temperatureSolid
Electron configuration[Kr] 4d¹⁰ 5s² 5p⁴
Electrons per shell2, 8, 18, 18, 6
Discovered1782, Müller

What is tellurium used for?

  • Cadmium telluride solar cells
  • Thermoelectric generators
  • Rewritable CDs/DVDs

Interesting facts about tellurium

  • Tellurium is rarer on Earth than platinum despite being more abundant in the universe
  • Even tiny exposures to tellurium give a garlic smell on the breath that can last for weeks
  • Tellurium is named after the Latin word for Earth (tellus)

Tellurium was discovered in 1782 by Müller in Romania.

Where tellurium sits on the periodic table

Tellurium is in group 16, period 5. Tap any element to open its page.

Previous element51. AntimonyNext element53. Iodine

Other metalloids

Tellurium questions

What is the atomic number of tellurium?

Tellurium has atomic number 52, so every tellurium atom has 52 protons in its nucleus. Its symbol is Te and its atomic mass is 127.6.

Is tellurium a metal?

Tellurium is a metalloid, with properties between metals and nonmetals. On the periodic table it is grouped as a metalloid, found in group 16, period 5.

What is the electron configuration of tellurium?

The electron configuration of tellurium is [Kr] 4d¹⁰ 5s² 5p⁴. Its electrons sit in 5 shells: 2, 8, 18, 18, 6.

What is tellurium used for?

Tellurium is used for cadmium telluride solar cells, thermoelectric generators and rewritable cds/dvds.

Who discovered tellurium?

Tellurium was discovered in 1782 by Müller in Romania.

The 3D Periodic Table is made by Julian Neagu, a solo founder in London, as part of VisionVix Simulators. It is free to use in the browser on desktop and phone, with no sign-up.