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ahojte neviete preco c nebude nukleofilná substitúcia?
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Dobrý deň, akú väzbu má prosim H2O? rozdiel elektonegativít má menší ako 1,7, takže by to mala byť kovalentná a teda ešte aj polárna. Ale prečo to nemôže byť vodíkova. Vo vodíkovej sa viaže H k…
ktoré zo slovných spojení je združené pomenovanie? talianske špagety alebo podstatné meno
doučma.sk
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