右图为元素�期表中钠元素的相关信息,下列说法正确的是 A.钠原子核内质子数为11 b.钠为非�属元素 C.钠原子的实际质量为2299 Template




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tomski右图为元素�期表中钠元素的相关信息,下列说法正确的是 a.钠原子核内质子数为11 b.钠为非�属元素 coloring