Tantalum

Tantalum Atomic Number: 73 Atomic Weight: 180.94788 Melting Point: 3290 K (3017°C or 5463°F) Boiling Point: 5731 K (5458°C or 9856°F) Density: 16.4 grams per cubic centimeter Phase at Room Temperature: Solid Element Classification: Metal Period Number: 6    Group Number: 5    Group Name: none