Periodic Table/Potassium/⁵⁵K

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⁵⁵K

Potassium-55

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

19

Neutrons (N)

36

Mass Number (A)

55

Atomic Mass

55.000505AMU

Spin / Parity

3/2+

Binding E/A

7.616keV

Natural Abundance

Trace / None

Half-life

Unknown

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

β⁻

β⁻n

2n

Decay Chain

⁵⁵KPotassium?

β⁻

β⁻n⁵⁴Ca

2n⁵³K

⁵⁵CaCalcium22.0 ms

β⁻100.0%

β⁻n⁵⁴Sc

2n⁵³Ca

⁵⁵ScScandium96.0 ms

β⁻100.0%

β⁻n⁵⁴Ti17.0%

2n⁵³Sc

⁵⁵TiTitanium1.30 s

β⁻100.0%

β⁻n⁵⁴V

⁵⁵VVanadium6.54 s

β⁻100.0%

⁵⁵CrChromium3.50 min

β⁻100.0%

⁵⁵MnManganeseSTABLE

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

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