Struktur atom saka berkelium lan thulium
Konfigurasi elektron
[Rn] 5F 9 7s 2
[Xe] 4F 13 6s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
DHCP-Crystal-Structure-of-Berkelium.jpg#100
HCP-Crystal-Structure-of-Thulium.jpg#100
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3