Struktur atom dari amerisium dan Kalsium
Konfigurasi elektron
[Rn] 5f7 7s2
[Ar] 4s2
Struktur kristal
Ganda Hexagonal Tutup Dikemas (DHCP)
Wajah Centered Cubic (FCC)
kristal Lattice
DHCP-Crystal-Structure-of-Americium.jpg#100
FCC-Crystal-Structure-of-Calcium.jpg#100
kisi Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2