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Chemie: směsi, atomy a chemické látky
Procvičení zahrnuje vlastnosti směsí, výpočty procentního složení, stavbu atomu, periodickou tabulku i základní chemické vazby a názvosloví.
Chemie explore.detail.facts.questions
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explore.detail.marketing.long_term.subtitle1 2026 explore.detail.marketing.long_term.subtitle2
