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