Al

Aluminium-28

Protons (Z)

13

Neutrons (N)

15

Mass number

28

Half-Life

2.24 m

Abundance

---

Mass

27.982 u

Mass Excess

-16,850.72 keV

Spin

3+

Discovered

1934

Binding energy per nucleon

8,310 keV

Neutron separation energy

7,725 keV

Proton separation energy

9,553 keV

Decay Mode

β⁻Silicon-28100%

Decay chain

Aluminium-28Z 13 · N 152.24 m
β⁻100%