砷 (半金屬)
原子序:33
電子排佈:2, 8, 18, 5
物態(常溫常壓):固態
族:V
週期:4
Arsenic (Semi-metal)
Atomic no: 33
electronic arrangement: 2, 8, 18, 5
State (r.t.p): Solid
Group: V
Period: 4