Periodic Table/Potassium/⁴²K

← 41K43K →

⁴²K

Potassium-42

Radioactive· Half-life: 12.4 h

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

19

Neutrons (N)

23

Mass Number (A)

42

Atomic Mass

41.962402AMU

Spin / Parity

2-

Binding E/A

8.320keV

Natural Abundance

Trace / None

Half-life

12.4 h

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

β⁻

100.0%

Decay Chain

⁴²KPotassium12.4 h

β⁻100.0%

⁴²CaCalciumSTABLE

2-step decay chain → stable · Primary path shown

Other Isotopes of Potassium

31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59

← Back to PotassiumData: IAEA NDS · ENSDF