10分鐘小測:第47章 由Li至Ar各元素物理性質的周期變化
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
橫越周期表的第三周期時,下列哪項元素的性質會增加?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在周期表,元素被排列在不同的周期和族之中。這樣的排列方式使科學家能夠預測尚未被發現元素的物理性質和化學性質。下列哪項陳述正確解釋這些預測是可行的原因?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
參看圖中的資料。圖中元素哪些屬同一周期?
A. P和Q
B. Q和R
C. P和R
D. P、Q和R
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以下是第二周期和第三周期一些元素的金屬性質的比較,哪項或哪些是正確的?
(1) 碳的金屬性質較鈹的強。
(2) 鎂的金屬性質較硅的強。
(3) 鈉的金屬性質較鋁的弱。
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
哪幅坐標圖(不按比例繪畫)正確略繪周期表中第三周期的其中四個元素(鎂、鋁、硅和磷)的熔點變化?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪項陳述正確解釋鎂的導電性較鈉的高的原因?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
化合物X由其中兩個屬第三周期的元素所組成。其中一個元素的熔點是在該周期中最高,而另一個元素的熔點則最低。已知X不是由氬組成,下列哪項可能是X的化學式?
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