Plutonium
Atomic number
94
Atomic weight
239
Discovery (year)
1940
Atomic radius (A)
1.64
Melting point (
o
C)
639.5
Boiling point (
o
C)
3235
Density (g/cm
3
)
@
Specific heat (cal/g
o
C)
@
Ionization potential (eV)
5.8
Electron Affinity (eV)
@
