Struktur atom saka Protaktinium lan Samarium
Konfigurasi elektron
[Rn] 5F 2 6D 1 7s 2
[Xe] 4F 6 6s 2
Struktur Crystal
Tetragonal (TETR)
Rhombohedral (RHO)
Crystal pola
TETR-Crystal-Structure-of-Protactinium.jpg#100
RHO-Crystal-Structure-of-Samarium.jpg#100
pola Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya