
考考你:第47章 由Li至Ar各元素物理性質的周期變化
Authored by Chemistry Aristo
Chemistry
9th - 12th Grade

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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列有關周期表中第二周期的一些元素的鍵合和結構的陳述,哪些正確?
(1) 硼和碳均具有巨型共價結構。
(2) 氮原子之間存有范德華力。
(3) 鋰和鈹均存有金屬鍵。
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些元素的原子以共價鍵連結起來?
(1) 氯
(2) 硫
(3) 硼
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在常温常壓下,下列哪些元素含有離域電子?
(1) 碳(石墨)
(2) 鈹
(3) 鋁
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些元素含有各別的雙原子分子?
(1) 磷
(2) 氮
(3) 氟
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪項正確顯示元素沸點的遞減次序?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在周期表的第三周期中,硅的熔點是最高的。原因是
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
鎂的熔點較鈉的高,原因是
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