問題詳情
50. X, Y 為元素態的原子，已知穩定的 X+與 Y2-離子都有 10 個電子。下列關於此兩種元素的敘述何者正確？
(A)X 元素有 9 個電子
(B)Y 的原子序為 10
(C)元素態物質 X 在常溫常壓下是氣體
(D)Y 元素在常溫常壓下可形成雙原子分子氣體
(A)X 元素有 9 個電子
(B)Y 的原子序為 10
(C)元素態物質 X 在常溫常壓下是氣體
(D)Y 元素在常溫常壓下可形成雙原子分子氣體
參考答案
無參考答案
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