Plutonium Element

Plutonium
Atomic Number	: 94
Atomic Weight	: 244
Boiling Point	: 3228^oC
Melting Point	: 640^oC
Phase at Room Temperature:	: Solid
Element Classification:	: Metal
Period Number:	: 7
Discovered Year:	: 1940
Discovered by:	: A. Wahl, J. Kennedy and Glenn Seaborg .