98
251 u
Cf
Californium
Actinide
Atomic Structure
Physical State
Group
N/A
Period
7
Block
f
Electron Configuration
[Rn] 5f¹⁰ 7s²
Physical Properties
Atomic Mass:
251 u
Electronegativity:
1.3
Atomic Radius:
161 pm
Ionization Energy:
6.282 eV
Density:
15.1 g/cm³
Melting Point:
1173 K
Boiling Point:
1743 K
Historical Information
Discovered By:
Lawrence Berkeley National Laboratory
Year Discovered:
1950