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【題組】39. 碳元素有 C、C、C 三種同位素,下列各項中對這三種原子都相同的是: (A)在自然界中所占原子百分比 (B)質子數 (C)中子數 (D)核外電子排列 (E)質量數
問題詳情
【題組】
39. 碳元素有 C、C、C 三種同位素,下列各項中對這三種原子都相同的是:
(A)在自然界中所占原子百分比
(B)質子數
(C)中子數
(D)核外電子排列
(E)質量數
參考答案
答案:[無官方正解]
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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