Periodic Table/Palladium/¹²¹Pd

← 120Pd122Pd →

¹²¹Pd

Palladium-121

Radioactive· Half-life: 290 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

46

Neutrons (N)

75

Mass Number (A)

121

Atomic Mass

120.928950AMU

Spin / Parity

3/2+

Binding E/A

8.127keV

Natural Abundance

Trace / None

Half-life

290 ms

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

β⁻

100.0%

β⁻n

0.8%

Decay Chain

¹²¹PdPalladium290 ms

β⁻100.0%

β⁻n¹²⁰Ag0.80%

¹²¹AgSilver777 ms

β⁻100.0%

β⁻n¹²⁰Cd0.08%

¹²¹CdCadmium13.5 s

β⁻100.0%

¹²¹InIndium23.1 s

β⁻100.0%

¹²¹SnTin1.13 d

β⁻100.0%

¹²¹SbAntimonySTABLE

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

Other Isotopes of Palladium

90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131

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