Periodic Table/Francium/²¹⁸Fr

← 217Fr219Fr →

²¹⁸Fr

Francium-218

Radioactive· Half-life: 1.40 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

87

Neutrons (N)

131

Mass Number (A)

218

Atomic Mass

218.007579AMU

Spin / Parity

1-

Binding E/A

7.523keV

Natural Abundance

Trace / None

Half-life

1.40 ms

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

α

100.0%

Decay Chain

²¹⁸FrFrancium1.40 ms

α100.0%

²¹⁴AtAstatine558 ns

α100.0%

²¹⁰BiBismuth5.01 d

β⁻100.0%

α²⁰⁶Tl13.2%

²¹⁰PoPolonium138 d

α100.0%

²⁰⁶PbLeadSTABLE

5-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