Periodic Table/Lead/¹⁹⁹Pb

← 198Pb200Pb →

¹⁹⁹Pb

Lead-199

Radioactive· Half-life: 1.50 h

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

82

Neutrons (N)

117

Mass Number (A)

199

Atomic Mass

198.972913AMU

Spin / Parity

3/2-

Binding E/A

7.665keV

Natural Abundance

Trace / None

Half-life

1.50 h

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

β⁺

100.0%

Decay Chain

¹⁹⁹PbLead1.50 h

β⁺100.0%

¹⁹⁹TlThallium7.42 h

β⁺100.0%

¹⁹⁹HgMercurySTABLE

3-step decay chain → stable · Primary path shown

Other Isotopes of Lead

178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220

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