Avtor: Simona Zorman

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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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Kemijski elementi

Viri: https://sl.wikipedia.org/wiki/Zemljoalkalijska_kovina https://sl.wikipedia.org/wiki/%C5%BDivo_srebro https://sl.wikipedia.org/wiki/Baker https://sl.wikipedia.org/wiki/Zlato https://sl.wikipedia.org/wiki/%C5%BDelezo