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S3 Chem Quiz (final exam)

Authored by Pak Ng

Chemistry

5th Grade

Used 8+ times

S3 Chem Quiz (final exam)
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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

Media Image

下圖顯示四個原子(WXYZ)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?

Media Image
Media Image
Media Image
Media Image

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

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?

PR

QR

PQ

RS

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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