Periodic Table/Aluminum/³³Al

← 32Al34Al →

³³Al

Aluminum-33

Radioactive· Half-life: 41.5 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

13

Neutrons (N)

20

Mass Number (A)

33

Atomic Mass

32.990878AMU

Spin / Parity

5/2+

Binding E/A

7.819keV

Natural Abundance

Trace / None

Half-life

41.5 ms

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

β⁻

100.0%

β⁻n

8.5%

Decay Chain

³³AlAluminum41.5 ms

β⁻100.0%

β⁻n³²Si8.50%

³³SiSilicon6.18 s

β⁻100.0%

³³PPhosphorus25.4 d

β⁻100.0%

³³SSulfurSTABLE

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

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