下列叙述中正确的是 A.含�属元素的离子一定是阳离子 b.在氧化还原反应中非�属单质一定是氧化剂 c.某元素从化合态变为游离态时该元素 Template




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tomski下列叙述中正确的是 a.含�属元素的离子一定是阳离子 b.在氧化还原反应中非�属单质一定是氧化剂 coloring