52 Te
Metalloid
Tellurium
Used in solar panels.
Properties of Tellurium
- Atomic number (Z)
- 52
- Symbol
- Te
- Atomic mass
- 127.6 g/mol
- Category
- Metalloid
- Group
- 16
- Period
- 5
- Electron configuration
- [Kr] 4d¹⁰ 5s² 5p⁴
- Electronegativity (Pauling)
- 2.1
- Atomic radius
- 123 pm
- First ionization energy
- 869 kJ/mol
- Melting point
- 722.66 K (449.5 °C)
- Boiling point
- 1261 K (987.9 °C)
- Density
- 6.232 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Discovered in 1782