Struktur atom saka krom lan Protaktinium
Konfigurasi elektron
[Ar] 3d 5 4s 1
[Rn] 5F 2 6D 1 7s 2
Struktur Crystal
Body tengah kubik (Bcc)
Tetragonal (TETR)
Crystal pola
BCC-Crystal-Structure-.jpg#100
TETR-Crystal-Structure-of-Protactinium.jpg#100
pola Angles
π/2, π/2, π/2
π/2, π/2, π/2