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