Struktur atom saka Protaktinium lan iridium
Konfigurasi elektron
[Rn] 5F 2 6D 1 7s 2
[Xe] 4F 14 5d 7 6s 2
Struktur Crystal
Tetragonal (TETR)
Face tengah kubik (FCC)
Crystal pola
TETR-Crystal-Structure-of-Protactinium.jpg#100
FCC-Crystal-Structure-of-Iridium.jpg#100
pola Angles
π/2, π/2, π/2
π/2, π/2, π/2