問題詳情
43.（ ）如圖為一原子的元素符號 
，則有關此元素符號的敘述，下列何者正確？
(A) 此為金原子
(B) 此原子的質子數有 個
(C) 此原子的中子數有 個
(D) 此原子的電子數有 個。
參考答案
無參考答案
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