73 Ta 180.947882
Tantalum
TRANSITION METAL
Phase: Solid
Discovered: Anders Gustaf Ekeberg
Block: D
Summary
Tantalum is a chemical element with symbol Ta and atomic number 73. Previously known as tantalium, its name comes from Tantalus, an antihero from Greek mythology. Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant.
Source: WikipediaPhysical Properties
Atomic Mass 180.947882 u
Density 16.69 g/cm³
Melting Point 3290 K
Boiling Point 5731 K