Periodic Table/Francium/²²³Fr

← 222Fr224Fr →

²²³Fr

Francium-223

Radioactive· Half-life: 22.0 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

87

Neutrons (N)

136

Mass Number (A)

223

Atomic Mass

223.019734AMU

Spin / Parity

3/2

Binding E/A

7.484keV

Natural Abundance

Trace / None

Half-life

22.0 min

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

β⁻

100.0%

α

0.0%

Decay Chain

²²³FrFrancium22.0 min

β⁻100.0%

α²¹⁹At0.01%

²²³RaRadium11.4 d

α100.0%

¹⁴C²⁰⁹Pb8.90%

²¹⁹RnRadon3.96 s

α100.0%

²¹⁵PoPolonium1.78 ms

α100.0%

β⁻²¹⁵At2.30%

²¹¹PbLead36.2 min

β⁻100.0%

²¹¹BiBismuth2.14 min

α100.0%

β⁻²¹¹Po0.28%

²⁰⁷TlThallium4.77 min

β⁻100.0%

²⁰⁷PbLeadSTABLE

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

Other Isotopes of Francium

197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233

← Back to FranciumData: IAEA NDS · ENSDF