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13章小測

Authored by Yiu ycp

Science

9th Grade

Used 1+ times

13章小測
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21 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

石墨能夠導電,所以它是一種金屬。

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

在現代的週期表中,元素按原子序遞增的次序排列。

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

乾冰是氧和碳這兩種元素的混合物。

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

如果錳原子失去兩個電子,所形成的錳離子的整體電荷是 –2。

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

大部分金屬能夠以物理方法從石頭中提取出來。

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

鋁是地殼中藴藏量最豐富的金屬。

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

鐵能夠從氧化鐵中提取出來。

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