标出下列元素的化合价,紧急,SO2的S_______ SO3的S_______ H2SO4的S_________ NO的N_________ NO2的N____________N2O5的N________ NH4NO3的两个N________ KClO3的Cl __________ Fe2O3的S_________ CuO的Cu___________Cu2O的Cu________ K2MnO4
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![标出下列元素的化合价,紧急,SO2的S_______ SO3的S_______ H2SO4的S_________ NO的N_________ NO2的N____________N2O5的N________ NH4NO3的两个N________ KClO3的Cl __________ Fe2O3的S_________ CuO的Cu___________Cu2O的Cu________ K2MnO4](/uploads/image/z/3387645-45-5.jpg?t=%E6%A0%87%E5%87%BA%E4%B8%8B%E5%88%97%E5%85%83%E7%B4%A0%E7%9A%84%E5%8C%96%E5%90%88%E4%BB%B7%2C%E7%B4%A7%E6%80%A5%2CSO2%E7%9A%84S_______+SO3%E7%9A%84S_______+H2SO4%E7%9A%84S_________+NO%E7%9A%84N_________+NO2%E7%9A%84N____________N2O5%E7%9A%84N________+NH4NO3%E7%9A%84%E4%B8%A4%E4%B8%AAN________+KClO3%E7%9A%84Cl+__________+Fe2O3%E7%9A%84S_________+CuO%E7%9A%84Cu___________Cu2O%E7%9A%84Cu________+K2MnO4)
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