Periodic Table/Aluminum/²⁸Al

← 27Al29Al →

²⁸Al

Aluminum-28

Radioactive· Half-life: 2.25 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

13

Neutrons (N)

15

Mass Number (A)

28

Atomic Mass

27.981910AMU

Spin / Parity

3+

Binding E/A

8.073keV

Natural Abundance

Trace / None

Half-life

2.25 min

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

β⁻

100.0%

Decay Chain

²⁸AlAluminum2.25 min

β⁻100.0%

²⁸SiSiliconSTABLE

2-step decay chain → stable · Primary path shown

Other Isotopes of Aluminum

21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43

← Back to AluminumData: IAEA NDS · ENSDF