Erbium
Atomic number
68
Atomic weight
167.26
Discovery (year)
1843
Atomic radius (A)
1.74
Melting point (
o
C)
@
Boiling point (
o
C)
@
Density (g/cm
3
)
9.066
Specific heat (cal/g
o
C)
0.04
Ionization potential (eV)
6.1
Electron Affinity (eV)
@
