36. Which statement about the thiocyanate ion, SCN⁻, is true?
(A)its Lewis structure contains an unpaired electron
(B)its shape is bent like that of H₂O
(C)only one correct resonance structure can be drawn
(D)there are more than two bonds in the ion
(E)none of these

答案:登入後查看
統計: 尚無統計資料