Struktur atom saka rubidium lan prometium
Konfigurasi elektron
[Kr] 5S 1
[Xe] 4F 5 6s 2
Struktur Crystal
Body tengah kubik (Bcc)
Double Hexagonal Tutup dikempalken (DHCP)
Crystal pola
BCC-Crystal-Structure-.jpg#100
DHCP-Crystal-Structure-of-Promethium.jpg#100
pola Angles
π/2, π/2, π/2
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