右图是元素�期表中钠元素的相关信息及其原子结构示意图,下列说法正确的是 A.钠原子核外有三个电子层 B.钠元素属于非�属元素 C.钠的 Template




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tomski右图是元素�期表中钠元素的相关信息及其原子结构示意图,下列说法正确的是 a.钠原子核外有三个电子层 b.钠元素属于非�属元素 coloring