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範例:原子與原子核結構[85推甄]

已知鈉 ( Na ) 的原子序是11 , 質量數是23 , 則一個中性的鈉原子中的中子數和電子數應該是多少？[85推薦甄選]

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Posted in 歷屆學測(推甄)考題, 物質的組成.

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By 張慶堂 – 2014 年 09 月 26 日

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