#52
Tellurium
metalloid· Solid·127.603 u
Tellurium is a chemical element with symbol Te and atomic number 52. It is a brittle, mildly toxic, rare, silver-white metalloid. Tellurium is chemically related to selenium and sulfur.
Read on Wikipedia
Identity
- Symbol
- Te
- Atomic Number
- 52
- Atomic Mass
- 127.603 u
- Category
- metalloid
- Block
- p-block
- Period
- 5
- Group
- 16
- Appearance
- Chemical element with atomic number 52 (Te)
- Year Discovered
- 1782 CE
- Discovered By
- Franz-Joseph Müller von Reichenstein
- Named By
- Terra
Electrons
- Configuration
- [Kr] 4d10 5s2 5p4
- Full Configuration
- 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p4
- Shells
- 2, 8, 18, 18, 6
- Electronegativity
- 2.1
- Electron Affinity
- 190.161
- Oxidation States
- +6, +4, -2
- Ionization Energies
- 869.3, 1790, 2698, 3610, 5668 … +2 more
Physical Properties
- State at
- Solid
- Melting Point
- 722.66
- Boiling Point
- 1261
- Density
- 6.24
- Molar Heat
- 25.73 J/(mol·K)
- Crystal Structure
- HEX
- Magnetic Ordering
- Diamagnetic
Mechanical
- Atomic Radius
- 123 pm
- Covalent Radius
- 138 pm
- Van der Waals
- 206 pm
- Mohs Hardness
- 2.25
- Bulk Modulus
- 65 GPa GPa
- Shear Modulus
- 16 GPa GPa
- Young's Modulus
- 43 GPa GPa
Thermal & Electrical
- Thermal Conductivity
- 3 W/(m K) W/(m·K)
- Specific Heat
- 202 J/(kg K) J/(g·K)
- Heat of Vaporization
- 114 kJ/mol kJ/mol
- Heat of Fusion
- 17.5 kJ/mol kJ/mol
Abundance
- Universe
- 9.00 ppb
- Sun
- 9 ppb
- Meteorite
- 2.5 ppm
- Earth's Crust
- 6.24 ppm
- Ocean
- 1e-7 ppm
- Human Body
- 0