- 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