Periodic Table/Radium/²⁰⁶Ra

← 205Ra207Ra →

²⁰⁶Ra

Radium-206

Radioactive· Half-life: 240 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

88

Neutrons (N)

118

Mass Number (A)

206

Atomic Mass

206.003828AMU

Spin / Parity

0+

Binding E/A

7.502keV

Natural Abundance

Trace / None

Half-life

240 ms

Decay Modesoverview · half-life · α · β⁻ · β⁺

α

100.0%

β⁺

Decay Chain

²⁰⁶RaRadium240 ms

α100.0%

β⁺²⁰⁶Fr

²⁰²RnRadon9.70 s

α78.0%

β⁺²⁰²At

¹⁹⁸PoPolonium1.76 min

α57.0%

β⁺¹⁹⁸Bi43.0%

¹⁹⁴PbLead10.7 min

β⁺100.0%

α¹⁹⁰Hg7.30%

¹⁹⁴TlThallium33.0 min

β⁺100.0%

α¹⁹⁰Au

¹⁹⁴HgMercury447 y

EC100.0%

¹⁹⁴AuGold1.58 d

β⁺100.0%

¹⁹⁴PtPlatinumSTABLE

8-step decay chain → stable · Primary path shown · branching ratios indicated

Other Isotopes of Radium

201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235

← Back to RadiumData: IAEA NDS · ENSDF