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範例:原子結構[84推甄]

下列有關原子構造的敘述 , 何者正確？ 甲：原子的質量均勻分布於整個原子之中；乙：原子的質量絕大部分集中在原子核；丙：電子和質子的數目一定相等；丁：質子和中子的數目一定相等 , (A)甲丙 (B)甲丁 (C)乙丙 (D)乙丁。

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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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