- Atomic Radius (Å)
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.
52
Atomic Number
127.6 u
Atomic Mass
722.8 K
Melting Point
1261 K
Boiling Point
6.24 g/cm³
Density
1.4 Å
Atomic Radius
1.38 Å
Covalent Radius
2.1
Electronegativity
9.01 eV
First Ionization Energy
190.16
Electron Affinity
5
Number of Shells
6
Electron Valency
2, 8, 18, 18, 6
Electron Shell Occupations
0.2 J/g
Specific Heat