Periodic Table/Radium/²¹⁰Ra

← 209Ra211Ra →

²¹⁰Ra

Radium-210

Radioactive· Half-life: 4.00 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

88

Neutrons (N)

122

Mass Number (A)

210

Atomic Mass

210.000475AMU

Spin / Parity

0+

Binding E/A

7.527keV

Natural Abundance

Trace / None

Half-life

4.00 s

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

α

100.0%

β⁺

Decay Chain

²¹⁰RaRadium4.00 s

α100.0%

β⁺²¹⁰Fr

²⁰⁶RnRadon5.67 min

α62.0%

β⁺²⁰⁶At38.0%

²⁰²PoPolonium44.6 min

β⁺98.1%

α¹⁹⁸Pb1.92%

²⁰²BiBismuth1.72 h

β⁺100.0%

α¹⁹⁸Tl1.00%

²⁰²PbLead52.5 ky

EC100.0%

²⁰²TlThallium12.3 d

EC100.0%

²⁰²HgMercurySTABLE

7-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