Scientific and other projects in astronomy, geoscience, physics, and electronics.
Actinium, acid. They're all the same! If you did have actinium, I'm sure you could donate it to Theodore Gray for his very cool element collection. http://www.theodoregray.com/PeriodicTable/Elements/089/index.s7.html
Item #55 in this year's Scavenger Hunt:Construct the Periodic Table in its native table form: a coffee table. [25 points plus 1 point per elementincluded]
Ac is often used to show ACETATE (in organic chemistry), so I am betting that it means Lead Acetate (which IS used in some batteries!)Regards,David Aldridge
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