Označeno: Atom

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Atom, Simona Zorman

Viri: https://depositphotos.com/cz/vector/nitrogen-atom-model-chemical-element-symbol-atomic-number-bohr-model-593307410.html

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Atom

Viri: https://studentski.hr/vijesti/na-danasnji-dan/objavljeno-otkrice-stukture-dna

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Atom, molekula – Sakovič

https://eucbeniki.sio.si/kemija8/932/index7.html  https://sl.wikipedia.org/wiki/Ogljikov_monoksid https://specialty.airliquide.co.uk/product/argon-5-0-1/?category=pures https://www.toppr.com/content/story/amp/discovery-of-atoms-and-nucleus-57322/ https://www.google.com/url?sa=i&url=http%3A%2F%2Fwww.bzsb.hu%2Faloldalak%2Foktatasi-anyagok%2FKemia%2F02-molekulak-es-osszetett-ionok.pdf&psig=AOvVaw06ppUAvCC5OyWpxqJ8OKfO&ust=1607515047799000&source=images&cd=vfe&ved=0CAMQjB1qFwoTCKif-bKqvu0CFQAAAAAdAAAAABAN