有關 PBr₃ 分子的中心磷原子最外電子層的鍵合電子對和孤電子對的數目的組合,哪一個正確?
10分鐘小測:第24章 具有非八隅體結構的簡單分子物質及簡單分子的形狀

Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
Chemistry Aristo
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A
B
C
D
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
共價化合物 XY₃ 具有八隅體結構,它的分子呈三角錐體形。下列哪些有關它的分子的陳述正確?
(1) X 原子上有一對孤電子。
(2) X 原子上有三對鍵合電子。
(3) 三個 Y 原子位於同一平面上。
A. 只有(1)和(2)
B. 只有(1)和(3)
C. 只有(2)和(3)
D. (1)、(2)和(3)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
哪些是 X 和 Y 所代表的元素的可能組合?
A. 只有(1)和(2)
B. 只有(1)和(3)
C. 只有(2)和(3)
D. (1)、(2)和(3)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪個分子不是呈線形?
A. BeCl₂
B. HCN
C. CO₂
D. H₂S
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪個或哪些分子是平面的?
(1) BeH₂
(2) CH₂Br₂
(3) PCl₃
A. 只有(1)
B. 只有(2)
C. 只有(1)和(3)
D. 只有(2)和(3)
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