Fototapeta atom structure model. nucleus of protons and neutrons. orbital electrons. vector illustration isolated on white background.

atom structure model. nucleus of protons and neutrons. orbital electrons. vector illustration isolated on white background.

Numer zdjęcia: 506725410, autor: © Zizo

Tytuł: atom structure model. nucleus of protons and neutrons. orbital electrons. vector illustration isolated on white background.

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