Beryllium telluride is a chemical compound of beryllium and tellurium. It is a crystalline solid with face centred cubic symmetry, lattice constant 0.5615 nm. The density is 5100 kg.m^-3. The CAS number is 12232-27-8. General Name, Symbol, Number beryllium, Be, 4 Chemical series alkaline earth metals Group, Period, Block 2, 2, s Appearance white-gray metallic Atomic mass 9. ... General Name, Symbol, Number tellurium, Te, 52 Chemical series metalloids Group, Period, Block 16, 5, p Appearance silvery lustrous gray Atomic mass 127. ... Lattice constant, or a, defines the distance between atoms in crystal lattice. ... A nanometre (American spelling: nanometer) is 1. ...

It is a semiconductor with a large energy gap of around 3 eV. A semiconductor is a material with an electrical conductivity that is intermediate between that of an insulator and a conductor. ... In solid state physics and related applied fields, the band gap is the energy difference between the top of the valence band and the bottom of the conduction band in insulators and semiconductors. ...

Toxic hydrogen telluride gas is evolved on exposure to water.

Toxicity is unknown, but both beryllium and tellurium are toxic.

External links

• Matweb

One note: Beryllium Telluride is a ceramic, and may not have a melting point listed because there is none.