鐳 (金屬)

原子序:88

電子排佈:2, 8, 18, 32, 18, 8, 2

物態(常溫常壓):固態

族:2

週期:7

Radium (Metal)

Atomic no: 88

electronic arrangement: 2, 8, 18, 32, 18, 8, 2

State (r.t.p): Solid

Group: 2

Period: 7