Periodic Table/Radium/²¹²Ra

← 211Ra213Ra →

²¹²Ra

Radium-212

Radioactive· Half-life: 13.0 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

88

Neutrons (N)

124

Mass Number (A)

212

Atomic Mass

211.999787AMU

Spin / Parity

0+

Binding E/A

7.535keV

Natural Abundance

Trace / None

Half-life

13.0 s

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

α

β⁺

Decay Chain

²¹²RaRadium13.0 s

α

β⁺²¹²Fr

²⁰⁸RnRadon24.4 min

α62.0%

β⁺²⁰⁸At38.0%

²⁰⁴PoPolonium3.52 h

β⁺99.3%

α²⁰⁰Pb0.67%

²⁰⁴BiBismuth11.2 h

β⁺100.0%

²⁰⁴PbLeadSTABLE

5-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