Struktur atom dari Samarium dan Aktinium
Konfigurasi elektron
[Xe] 4f6 6s2
[Rn] 6d1 7s2
Struktur kristal
Rhombohedral (RHO)
Wajah Centered Cubic (FCC)
kristal Lattice
RHO-Crystal-Structure-of-Samarium.jpg#100
FCC-Crystal-Structure-of-Actinium.jpg#100
kisi Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2