
第7節十分鐘測試
Quiz
•
Science
•
1st Grade
•
Practice Problem
•
Hard
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1 鋰與氮化合生成氮化鋰時,
A 每個鋰原子失去兩個電子,每個氮原子則接收一個電子。
B 每個鋰原子失去一個電子,每個氮原子則接收三個電子。
C 每個鋰原子接收兩個電子,每個氮原子則失去一個電子。
D 每個鋰原子接收一個電子,每個氮原子則失去三個電子。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 1;6
B 1;8
C 3;6
D 3;8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3 在週期表的第I 族和第VII族元素中,下列哪對反應時最為劇烈?
A 鈉;氯
B 鈉;氟
C 鉀;氟
D 鉀;氯
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4 下列哪個是碘化鈣的電子圖?(只顯示最外層的電子。)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5 鈧(Sc)是金屬。氫氧化鈧的化學式是Sc(OH)3。
下列哪個是鈧的碳酸鹽的化學式?
A ScCO3
B Sc(CO3)2
C Sc2(CO3)3
D Sc3(CO3)2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6 W、X、Y 和 Z 是週期表中四種連續的元素。
如果 X 是貴氣體,下列哪個化學式正確?
A Y2W
B YW2
C ZW2
D Z2W
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7 X 是元素,它可形成電子排佈為 2,8,8 的陽離子X2+。
下列哪項有關 X 的陳述正確?
A X 屬於週期表中的第三週期。
B X 是過渡金屬。
C X 會與氯生成有色的鹽。
D X 的硝酸鹽的化學式為 X(NO3)2。
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