Plutonium

plutonium Atomic Number: 94 Atomic Weight: 244 Melting Point: 913 K (640°C or 1184°F) Boiling Point: 3501 K (3228°C or 5842°F) Density: 19.84 grams per cubic centimeter Phase at Room Temperature: Solis Element Classification: Metal Period Number: 7    Group Number: none    Group Name: Actinide