Struktur atom dari berkelium dan thulium
Konfigurasi elektron
[Rn] 5f9 7s2
[Xe] 4f13 6s2
Struktur kristal
Ganda Hexagonal Tutup Dikemas (DHCP)
Hexagonal Tutup Dikemas (HCP)
kristal Lattice
DHCP-Crystal-Structure-of-Berkelium.jpg#100
HCP-Crystal-Structure-of-Thulium.jpg#100
kisi Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3