Online teaching



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Online Activities, Educational Games, Quizzes, Crossword Maker

Make educational games, websites, online activities, quizzes and crosswords with Kubbu e-learning tool for teachers


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Atomi i ioni

Razvrstaj kartice u tri kategorije: atomi, kationi i anioni, s obzirom na broj protona i elektrona. Prisjeti se: atomi imaju jednak broj protona i elektrona, broj elektrona u kationima je manji, a u anionima veći u odnosu na broj protona.

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