Lutetium

Lutetium Atomic Number: 71 Atomic Weight: 174.9668 Melting Point: 1936 K (1663°C or 3025°F) Boiling Point: 3675 K (3402°C or 6156°F) Density: 9.84 grams per cubic centimeter Phase at Room Temperature: Solid Element Classification: Metal Period Number: 6    Group Number: 3    Group Name: Lanthanide