
第24節十分鐘小測
Quiz
•
Science
•
1st Grade
•
Practice Problem
•
Hard
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1 下列哪分子的極性最低?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2 下列哪些有關電負性的陳述正確?
(1) 原子的電負性愈高,在共價鍵中共享的電子對愈靠近該原子。
(2) 在同一週期中,電負性由左至右依次遞增。
(3) 在同一族中,電負性由上至下依次遞減。
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
30 sec • 1 pt
3 下列的分子,何者呈極性?
(1) BF3
(2) CCl3Br
(3) NF3
A 只有 (1)
B 只有 (2)
C 只有 (1) 和 (3)
D 只有 (2) 和 (3)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4 下列有關六氟化硫分子的陳述,何者正確?
(1) 它呈三角雙錐體形。
(2) 它擁有極性共價鍵。
(3) 它呈極性。
A 只有 (1)
B 只有 (2)
C 只有 (1) 和 (3)
D 只有 (2) 和 (3)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 只有 (1)
B 只有 (2)
C 只有 (1) 和 (3)
D 只有 (2) 和 (3)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 甲基丙-1-醇不能形成氫鍵。
B 甲基丙-1-醇中的共價鍵較丁-1-醇中的弱。
C 甲基丙-1-醇中的范德華力較丁-1-醇中的弱。
D 甲基丙-1-醇的水溶性較丁-1-醇的低。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7 下列哪項是按物質的沸點的遞減次序排列?
A CH3CH2OH > CH3CH2NH2 > CH3CH2F
B CH3CH2OH > CH3CH2F > CH3CH2NH2
C CH3CH2NH2 > CH3CH2OH > CH3CH2F
D CH3CH2F > CH3CH2OH > CH3CH2NH2
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