Science
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求解，謝謝🙏
某原子的原子核中含有2個質子和2個中子,則下列
對此原子的敘述何者正確? 不一定
13
(A)原子序為42(B)含有2個電子(C)與氫原子互為同位素
(D)質子所帶電荷是中子的2倍。【98學測一】
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所以（D）是錯在電子不帶電？