Atomic Number: 95

Name: Americium

Atomic symbol: Am

Atomic Weight: 243

Electron configuration: 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶4d¹⁰5s²5p⁶4f¹⁴5d¹⁰5f⁷6s²6p⁶7s²

Melting Point: 994^oC

Boiling Point: 2607^oC

Ionic Radius: 1.07 angstroms (+3); 0.92 angstroms (+4)