Actinium, on the periodic table. Radioactive metal, with element symbol Ac and atomic number 89. Name giver of actinide series, named after Greek aktis, for beam or ray. No significant industrial use. premium vector by Furian

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table vector number perspective element illustration metal symbol elements display metallic education material grid chemical science raster beam ray name chemistry substance greek ac research chart atom atomic series rare periodic radioactive tabular 89 actinium mendeleev actinide periodic system Periodic Table chemical elements atomic number element symbol actinoid aktinos aktis radioactive metal actinide series

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