Chémia 8
Atóm:
https://phet.colorado.edu/sk/simulation/build-an-atom
Halogenidy
https://learningapps.org/23628801
https://wordwall.net/resource/54203630
OXIDY:
https://wordwall.net/play/52582/412/108
https://wordwall.net/play/31162/094/558
https://wordwall.net/play/52584/731/803
https://wordwall.net/play/31164/597/695