下列哪個分子中的所有原子均排佈在同一平面上?

課題六 微觀世界II

Quiz
•
Chemistry
•
7th - 9th Grade
•
Hard
Chemistry Aristo
Used 24+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A. 甲烷
B. 氨
C. 五氟化磷
D. 二氧化碳
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪個鍵合的極性最高?
A. C–N
B. C–O
C. C–F
D. O–F
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪對分子的形狀相似?
A. CO2和SO2
B. CCl4和SiF4
C. BF3和NH3
D. O2和O3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪項正確顯示NH3、HCl、HF和H2O的沸點的次序?
A. NH3 < HCl < HF < H2O
B. NH3 < H2O < HCl < HF
C. HCl < NH3 < H2O < HF
D. HCl < NH3 < HF < H2O
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
圖表顯示元素X和元素Y的電子排佈。
X與Y反應並生成化合物Z。Z是甚麼形狀?
A. 線形
B. 平面三角形
C. 四面體形
D. 八面體形
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
冰熔化時,下列哪項不會發生?
A. 冰的敞開結構瓦解。
B. 水分子間的氫鍵強度下降。
C. 冰中的共價鍵數目維持不變。
D. 冰的密度下降。
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪項有關化合物J和K的陳述正確?
A. J的沸點較高,原因是它的分子間的接觸面積較大。
B. K的沸點較高,原因是它的分子間的接觸面積較大。
C. J的沸點較高,原因是它的分子極性較高。
D. K的沸點較高,原因是它的分子極性較高。
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