The type of radioactive decay should be expected from 28/13 aluminum is 0/-1β.
A chemical element with the symbol Al and atomic number 13 is also known as aluminum (or "aluminium" in British English).
The chemical element has a density lower than those of other common metals, at approximately one third that of steel. Aluminum has a great affinity towards oxygen, and when exposed to air, aluminum forms a protective layer of oxide on the surface. It visually resembles silver, both in its great ability to reflect light and its color. Aluminum is non-magnetic, soft and ductile. It has only one stable isotope, which is 27Al (aluminum-27). The isotope is very common, which makes aluminum the 12th most common element in the universe.
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