Curium

Actinium Atomic Number: 96 Atomic Weight: 247 Melting Point: 1618 K (1345°C or 2453°F) Boiling Point: ~3400 K (~3100°C or ~5600°F) Density: 13.51 grams per cubic centimeter Phase at Raoom Temperature: Solid Element Classification: Metal Period Number: 7    Group Number: None    Group Name: Actinide