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Nakreslete Lewisovu strukturu molekuly vody. Jaký vazebný úhel očekáváte? Jaké je prostorové rozložení atomů a vazebných a nevazebných elektronů? Nakreslete a zdůvodněte.
2. Zapište elektronovou konfiguraci částic síry 32S^2- a 34S^2-. Graficky znázorněte a uveďte, kolik protonů, neutronů a elektronů tyto částice obsahují.
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