問題詳情
6. 西元1961年,國際純化學暨應用化學聯合會是以下列何者作為原子量的標準?
(A)16O
(B)14N
(C)12C
(D)4He
(E)1H。
(A)16O
(B)14N
(C)12C
(D)4He
(E)1H。
參考答案
答案:C
難度:困難0.333333
統計:A(0),B(0),C(1),D(0),E(1)
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