25分鐘測驗:課題十二 化學世界中的規律
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Chemistry Aristo
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪個或哪些硝酸鹽溶液是有色的?
(1) Zn(NO₃)₂(aq)
(2) Ti(NO₃)₃(aq)
(3) Sc(NO₃)₃(aq)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
把下列各氧化物加入水時,哪個會生成pH最高的溶液?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
有關氧化物溶於水時所生成溶液的組合,哪些正確?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列每對第二周期的元素,哪一對熔點的差異最小?
A. Li和O
B. Be和O
C. B和F
D. C(金剛石)和F
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列哪項有關第三周期元素的熔點的陳述不正確?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列有關第三周期(由Na至Cl)各元素氧化物的陳述,哪些正確?
(1) 氧化物從鹼性過渡為兩性,最終過渡為酸性。
(2) 氧化物的鍵合由離子鍵過渡為共價鍵。
(3) 氧化物的熔點逐漸減小。
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
若元素的金屬性質強,它的原子失去最外層電子生成帶正電荷的離子的傾向高。下列哪項有關元素的金屬性質的陳述不正確?
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