如图甲乙所示是镁元素在元素�期表中的信息和镁原子的结构示意图根据图示回答1镁的相对原子质量是 .2镁原子在化学变化中容易 .电子 Template




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tomski如图甲乙所示是镁元素在元素�期表中的信息和镁原子的结构示意图根据图示回答1镁的相对原子质量是 .2镁原子在化学变化中容易 .电子 coloring