Tellurium (Te) — Metalloid. Atomic number 52.
Silvery-white brittle metalloid
- Atomic number: 52
- Symbol: Te
- Atomic mass: 127.60 u
- Category: Metalloid
- State: Solid
- Melting point: 449.55 °C / 722.7 K
- Boiling point: 987.85 °C / 1261 K
- Density: 6.24 g/cm³ (20°C)
- Electron configuration: [Kr] 4d10 5s2 5p4
- Oxidation states: −2, +4, +6
- Electronegativity: 2.1
- Discovered by: Franz-Joseph Müller von Reichenstein (1782)
Common uses: Solar panels, Alloys, Thermoelectrics
Biological role: No confirmed biological role.
Frequently Asked Questions about Tellurium
What is the atomic number of tellurium?
Tellurium has an atomic number of 52, meaning each atom contains 52 protons in its nucleus.
What is the atomic mass of tellurium?
The standard atomic weight of tellurium is 127.60 u (unified atomic mass units).
What category does tellurium belong to?
Tellurium is classified as a metalloid.
What is the state of tellurium at room temperature?
Tellurium is a solid at 20 °C (68 °F).
What is the melting point of tellurium?
The melting point of tellurium is 449.55 °C / 722.7 K.
What is the boiling point of tellurium?
The boiling point of tellurium is 987.85 °C / 1261 K.
What is the density of tellurium?
The density of tellurium is 6.24 g/cm³ (20°C).
What is the electronegativity of tellurium?
Tellurium has a Pauling electronegativity of 2.1.
What is the electron configuration of tellurium?
The electron configuration of tellurium is [Kr] 4d10 5s2 5p4.
What are the common oxidation states of tellurium?
Tellurium commonly exhibits the following oxidation states: −2, +4, +6.
When was tellurium discovered?
Tellurium was discovered in 1782 by Franz-Joseph Müller von Reichenstein.
Is tellurium radioactive?
Tellurium is a stable element with no naturally occurring radioactive isotopes.
What is the biological role of tellurium?
No confirmed biological role.
What are the common uses of tellurium?
Tellurium is used for: Solar panels; Alloys; Thermoelectrics.
