Tellurium
METALLOID
Phase: Solid
Discovered: Franz-Joseph Müller von Reichenstein
Block: P
Summary
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.
Source: WikipediaPhysical Properties
Atomic Mass 127.603 u
Density 6.24 g/cm³
Melting Point 722.66 K
Boiling Point 1261 K