Periodic Table/Praseodymium/¹⁴⁹Pr

← 148Pr150Pr →

¹⁴⁹Pr

Praseodymium-149

Radioactive· Half-life: 2.26 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

59

Neutrons (N)

90

Mass Number (A)

149

Atomic Mass

148.923736AMU

Spin / Parity

5/2+

Binding E/A

8.036keV

Natural Abundance

Trace / None

Half-life

2.26 min

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

β⁻

100.0%

Decay Chain

¹⁴⁹PrPraseodymium2.26 min

β⁻100.0%

¹⁴⁹NdNeodymium1.73 h

β⁻100.0%

¹⁴⁹PmPromethium2.21 d

β⁻100.0%

¹⁴⁹SmSamariumSTABLE

4-step decay chain → stable · Primary path shown

Other Isotopes of Praseodymium

121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161

← Back to PraseodymiumData: IAEA NDS · ENSDF