Struktur atom saka Protaktinium lan Beryllium
Konfigurasi elektron
[Rn] 5F 2 6D 1 7s 2
[Panjenenganipun] 2S 2
Struktur Crystal
Tetragonal (TETR)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
TETR-Crystal-Structure-of-Protactinium.jpg#100
HCP-Crystal-Structure-of-Beryllium.jpg#100
pola Angles
π/2, π/2, π/2
π/2, π/2, π/2