Mass Number |
Atomic Mass |
% Abundance |
Nuclear Spin |
---|---|---|---|
223 * |
223.0185 |
few % |
1/2+ |
224 * |
224.0202 |
few % |
0 |
226 |
226.0254 |
few % |
0 |
228 |
228.0311 |
few % |
0 |
Electron Configuration: |
[Rn] 7s2 |
Relative Atomic Mass: |
226.03 |
State (25°C, 1 atm): |
solid, metal |
Density: |
5500 kg/m3 |
Melting Temperature: |
973 K |
Boiling Temperature: |
1413 K |
© W. Bauer, 1999