Periodic Table/Praseodymium/¹²⁷Pr

← 126Pr128Pr →

¹²⁷Pr

Praseodymium-127

Radioactive· Half-life: 4.20 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

59

Neutrons (N)

68

Mass Number (A)

127

Atomic Mass

126.930710AMU

Spin / Parity

3/2+

Binding E/A

7.979keV

Natural Abundance

Trace / None

Half-life

4.20 s

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

β⁺

100.0%

Decay Chain

¹²⁷PrPraseodymium4.20 s

β⁺100.0%

¹²⁷CeCerium34.0 s

β⁺100.0%

¹²⁷LaLanthanum5.10 min

β⁺100.0%

¹²⁷BaBarium12.7 min

β⁺100.0%

¹²⁷CsCesium6.25 h

β⁺100.0%

¹²⁷XeXenon36.3 d

EC100.0%

¹²⁷IIodineSTABLE

7-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