Astatine (Non-metal)
Atomic no: 85
electronic arrangement: 2, 8, 18, 32, 18, 7
State (r.t.p): Solid
Group: 7
Period: 6
砈 (非金屬)
原子序:85
電子排佈:2, 8, 18, 32, 18, 7
物態(常溫常壓):固態
族:7
週期:6