
S3 Chem Quiz (final exam)
Authored by Pak Ng
Chemistry
5th Grade
Used 8+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
鎂原子和鎂離子
帶有相同電荷。
所含的質子數目相同。
所含的電子數目相同。
所含的被電子佔用的電子層數目相同。
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下圖顯示四個原子(W、X、Y和Z)的電子排佈。哪個原子能生成陰離子?
W
X
Y
Z
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列哪種是陽離子?
硫酸根離子
氯離子
高錳酸根離子
銨離子
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列哪對物種的電子排佈相同?
N3−、F
Ar、Na+
S2−、Ca2+
Na、K+
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列哪個是氯化鈉的正確電子結構圖?
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
上表顯示四種元素的原子序。下列哪對元素能生成離子化合物?
P和R
Q和R
P和Q
R和S
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
元素X和元素Y的原子序分別是12和16,它們生成的化合物的化學式是
XY
X2Y
X2Y3
X3Y2
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