Electron Configuration
[Rn] 7s
2
6d
1
Actinium is named for "ray"
Melting Point:
1049.85
o
C
Boiling Point:
3199.85
o
C
Heat of Vaporization:
1290.75 J/g
Heat of Fusion:
84.58 J/g
Specific Heat Capacity:
0.120 J/g
.
C
o
or 0.03 cal/g
.
C
o
Density:
10.07 g/cm
3
