Struktur atom saka kalium lan thulium
Konfigurasi elektron
[Ar] 4s 1
[Xe] 4F 13 6s 2
Struktur Crystal
Body tengah kubik (Bcc)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
BCC-Crystal-Structure-.jpg#100
HCP-Crystal-Structure-of-Thulium.jpg#100
pola Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3