Periodic Table/Radium/²¹³Ra

← 212Ra214Ra →

²¹³Ra

Radium-213

Radioactive· Half-life: 2.73 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

88

Neutrons (N)

125

Mass Number (A)

213

Atomic Mass

213.000371AMU

Spin / Parity

1/2-

Binding E/A

7.535keV

Natural Abundance

Trace / None

Half-life

2.73 min

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

α

87.0%

β⁺

13.0%

Decay Chain

²¹³RaRadium2.73 min

α87.0%

β⁺²¹³Fr13.0%

²⁰⁹RnRadon28.8 min

β⁺83.0%

α²⁰⁵Po17.0%

²⁰⁹AtAstatine5.42 h

β⁺96.1%

α²⁰⁵Bi3.90%

²⁰⁹PoPolonium124 y

α99.5%

β⁺²⁰⁹Bi0.45%

²⁰⁵PbLead17.0 My

EC100.0%

²⁰⁵TlThalliumSTABLE

6-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