Periodic Table/Bismuth/²¹²Bi

← 211Bi213Bi →

²¹²Bi

Bismuth-212

Radioactive· Half-life: 1.01 h

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

83

Neutrons (N)

129

Mass Number (A)

212

Atomic Mass

211.991285AMU

Spin / Parity

1

Binding E/A

7.603keV

Natural Abundance

Trace / None

Half-life

1.01 h

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

β⁻

64.1%

α

35.9%

β⁻α

0.0%

Decay Chain

²¹²BiBismuth1.01 h

β⁻64.1%

α²⁰⁸Tl35.9%

β⁻α²⁰⁸Pb0.01%

²¹²PoPolonium294 ns

α100.0%

²⁰⁸PbLeadSTABLE

3-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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