Aluminium-26 (Al-26)

Identity

Protons

13

Neutrons

13

Mass number

26

Mass

25.987 ± 0.071 u

Mass excess

-12.210 MeV

Spin

5+

Stability

Half-life: 7.17 × 10⁵ years

Natural occurrence

Not found in nature

Decays to

• positron emission → Mg-26