Periodic Table/Magnesium/²⁸Mg

← 27Mg29Mg →

²⁸Mg

Magnesium-28

Radioactive· Half-life: 20.9 h

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

12

Neutrons (N)

16

Mass Number (A)

28

Atomic Mass

27.983875AMU

Spin / Parity

0+

Binding E/A

8.053keV

Natural Abundance

Trace / None

Half-life

20.9 h

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

β⁻

100.0%

Decay Chain

²⁸MgMagnesium20.9 h

β⁻100.0%

²⁸AlAluminum2.25 min

β⁻100.0%

²⁸SiSiliconSTABLE

3-step decay chain → stable · Primary path shown

Other Isotopes of Magnesium

19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41

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