4 Vektoren zum Thema "chalcogen" bei ClipDealer

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Selenium deficiency. A drawn blood test for selenium, which revealed a deficiency of this microelement. Simple vector illustration for different uses.
Periodic table element selenium icon.
Carbon and oxygen, chemical elements on the periodic table of elements, with the element symbols C and O, and atomic numbers 6 and 8. They form the molecule Carbon dioxide in the atmosphere of Earth.
Periodic table element polonium icon.

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