Struktur atom saka Actinium lan hassium
Konfigurasi elektron
[Rn] 6D 1 7s 2
[Rn] 5F 14 6D 6 7s 2
Struktur Crystal
Face tengah kubik (FCC)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
FCC-Crystal-Structure-of-Actinium.jpg#100
BCC-Crystal-Structure-.jpg#100
pola Angles
π/2, π/2, π/2
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