Periodic Table/Neon/²⁸Ne

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²⁸Ne

Neon-28

Radioactive· Half-life: 18.8 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

10

Neutrons (N)

18

Mass Number (A)

28

Atomic Mass

28.012131AMU

Spin / Parity

0+

Binding E/A

7.206keV

Natural Abundance

Trace / None

Half-life

18.8 ms

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

β⁻

100.0%

β⁻n

12.0%

2n

3.7%

Decay Chain

²⁸NeNeon18.8 ms

β⁻100.0%

β⁻n²⁷Na12.0%

2n²⁶Ne3.70%

²⁸NaSodium33.1 ms

β⁻100.0%

β⁻n²⁷Mg0.58%

²⁸MgMagnesium20.9 h

β⁻100.0%

²⁸AlAluminum2.25 min

β⁻100.0%

²⁸SiSiliconSTABLE

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

Other Isotopes of Neon

15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34

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