题目内容
|
X、Y两元素可形成XY3型共价化合物,则X、Y最外层的电子排布可能是 | |
A. |
X:3s23p1 Y:3s23p5 |
B. |
X:2s22p3 Y:2s22p4 |
C. |
X:3s23p1 Y:2s22p5 |
D. |
X:2s22p3 Y:1s1 |
答案:AD
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题目内容
|
X、Y两元素可形成XY3型共价化合物,则X、Y最外层的电子排布可能是 | |
A. |
X:3s23p1 Y:3s23p5 |
B. |
X:2s22p3 Y:2s22p4 |
C. |
X:3s23p1 Y:2s22p5 |
D. |
X:2s22p3 Y:1s1 |