Struktur atom saka tantalum lan americium
Konfigurasi elektron
[Xe] 4F 14 5d 3 6s 2
[Rn] 5F 7 7s 2
Struktur Crystal
Body tengah kubik (Bcc)
Double Hexagonal Tutup dikempalken (DHCP)
Crystal pola
BCC-Crystal-Structure-.jpg#100
DHCP-Crystal-Structure-of-Americium.jpg#100
pola Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya