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