10分鐘小測:第9章 物質的結構和性質
Quiz
•
Chemistry
•
10th - 12th Grade
•
Practice Problem
•
Hard
Chemistry Aristo
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
六方氮化硼的結構與石墨的相似。六方氮化硼的結構如下所示。下列哪些有關六方氮化硼的陳述正確?
(1) 它是共價化合物。
(2) 它不溶於有機溶劑。
(3) 它能導電。
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
砹是第VII族元素。下列哪些預測正確?
(1) 在常温常壓下,砹是黑色固體。
(2) 砹與碘所生成的化合物可溶於水。
(3) 砹與銀所生成的化合物在熔融狀態下能導電。
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
金屬可被拉長成線,原因是
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
把一固體加入水時,它溶解並生成無色溶液,所得的溶液不能導電。這固體可能具有
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
下表顯示四個物質的資料。上述哪個物質是離子化合物?
A. W
B. X
C. Y
D. Z
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
下列哪些有關離子晶體和金屬的陳述正確?
(1) 離子晶體內的離子鍵和金屬內的金屬鍵均是無方向性的。
(2) 離子晶體和金屬在室温下均能導電。
(3) 金屬具延性,而離子晶體是易碎的。
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
石墨可用作潤滑劑,原因是
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