Periodic Table/Bismuth/¹⁸⁷Bi

← 186Bi188Bi →

¹⁸⁷Bi

Bismuth-187

Radioactive· Half-life: 37.0 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

83

Neutrons (N)

104

Mass Number (A)

187

Atomic Mass

186.993147AMU

Spin / Parity

9/2-

Binding E/A

7.531keV

Natural Abundance

Trace / None

Half-life

37.0 ms

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

α

100.0%

Decay Chain

¹⁸⁷BiBismuth37.0 ms

α100.0%

¹⁸³TlThallium6.90 s

β⁺

α¹⁷⁹Au

¹⁸³HgMercury9.40 s

β⁺88.3%

α¹⁷⁹Pt11.7%

β⁺p¹⁸²Pt2.60%

¹⁸³AuGold42.8 s

β⁺99.5%

α¹⁷⁹Ir0.55%

¹⁸³PtPlatinum6.50 min

β⁺100.0%

α¹⁷⁹Os0.01%

¹⁸³IrIridium58.0 min

β⁺100.0%

α¹⁷⁹Re

¹⁸³OsOsmium13.0 h

β⁺100.0%

¹⁸³ReRhenium70.0 d

EC100.0%

¹⁸³WTungstenSTABLE

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

Other Isotopes of Bismuth

184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224

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