Iridium element block. Atomic number seventy seven. Chemical symbol Vector. Vibrant blue background. EPS 10. premium vector by denistsybulsky85.gmail.com

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table white blue background number graphic element illustration isolated one symbol concept icon two school flat visual learning education hundred property material grid chemical laboratory science point system study block chemistry lesson research mass atom atomic electron neutron proton bond seven periodic diagram molecule iridium seventy Ninety 77 192

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