Periodic Table/Francium/²⁰⁰Fr

← 199Fr201Fr →

²⁰⁰Fr

Francium-200

Radioactive· Half-life: 47.5 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

87

Neutrons (N)

113

Mass Number (A)

200

Atomic Mass

200.006585AMU

Spin / Parity

3+

Binding E/A

7.478keV

Natural Abundance

Trace / None

Half-life

47.5 ms

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

α

100.0%

β⁺

β⁺SF

Decay Chain

²⁰⁰FrFrancium47.5 ms

α100.0%

β⁺²⁰⁰Rn

¹⁹⁶AtAstatine377 ms

α97.5%

β⁺¹⁹⁶Po

¹⁹²BiBismuth34.6 s

β⁺88.0%

α¹⁸⁸Tl12.0%

¹⁹²PbLead3.50 min

β⁺100.0%

α¹⁸⁸Hg0.01%

¹⁹²TlThallium9.60 min

β⁺100.0%

¹⁹²HgMercury4.85 h

EC100.0%

α¹⁸⁸Pt

¹⁹²AuGold4.94 h

β⁺100.0%

¹⁹²PtPlatinumSTABLE

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