All other isotopes of aluminium are radioactive. Quite possibly the most secure of such is 26Al, with a fifty percent-life of 717,000 decades: though it had been current in conjunction with secure 27Al inside the interstellar medium from which the Photo voltaic Technique formed (imagine to are made by stellar nucleosynthesis https://aluminium-greenhouse46788.blogunok.com/37582452/the-smart-trick-of-sheds-and-garages-that-nobody-is-discussing