Americium

Actinide

Symbol: Am

Atomic Number: 95

Standard State: Solid

Atomic Mass: 243.0614

Electron Configuration: [Rn]7s2 5f7

Electronegativity: 1.3

Atomic Radius: 244

Ionization Energy: 5.993

Melting Point: 1449

Boiling Point: 2284

Density: 13.69

Year Discovered: 1944