Struktur atom saka lanthanum lan Protaktinium
Konfigurasi elektron
[Xe] 5d 2 6s 2
[Rn] 5F 2 6D 1 7s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Tetragonal (TETR)
Crystal pola
DHCP-Crystal-Structure-of-Lanthanum.jpg#100
TETR-Crystal-Structure-of-Protactinium.jpg#100
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya