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