Struktur atom saka Terbium lan Radium
Konfigurasi elektron
[Xe] 4F 9 6s 2
[Rn] 7s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Body tengah kubik (Bcc)
Crystal pola
HCP-Crystal-Structure-of-Terbium.jpg#100
BCC-Crystal-Structure-.jpg#100
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2