96
247 u
Cm
Curium
Actinide
Atomic Structure
Physical State
Group
N/A
Period
7
Block
f
Electron Configuration
[Rn] 5f⁷ 6d¹ 7s²
Physical Properties
Atomic Mass:
247 u
Electronegativity:
1.3
Atomic Radius:
169 pm
Ionization Energy:
5.991 eV
Density:
13.51 g/cm³
Melting Point:
1613 K
Boiling Point:
3383 K
Historical Information
Discovered By:
Glenn T. Seaborg
Year Discovered:
1944