
Ch13(13.1-13.2) 從原子到材料 L1
Authored by QTSSCI QTSSCI
Science
1st Grade

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. 以下是鎂的一些性質。哪些性質屬於物理性質?
(1) 鎂與水發生反應,產生氫氧化鎂和氫。
(2) 鎂在650 °C熔化。
(3) 鎂能導電。
A. 只有 (1) 和 (2)
B. 只有 (1) 和 (3)
C. 只有 (2) 和 (3)
D. (1)、(2) 和 (3)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. 下列哪一項關於次原子粒子的描述是正確的?
A. 質子、中子和電子是三種元素的名稱。
B. 中子與質子緊密地聚在原子核中。
C. 質子與電子的質量相若。
D. 質子和中子都帶有電荷。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. 下列哪一項是銀的化學符號?
A. Ag
B. Au
C. Si
D. S
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. (延展) 下列哪些離子是陽離子?
(1) 氯原子獲得一個電子,成為離子
(2) 鈣原子失去兩個電子,成為離子
(3) 帶有正電荷的鋁離子
A. 只有 (1) 和 (2)
B. 只有 (1) 和 (3)
C. 只有 (2) 和 (3)
D. (1)、(2) 和 (3)
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
1. 食鹽可分解成鈉和 ________________________ 兩種元素。
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
2. 質量數是原子裏的質子與 ________________________ 的數量總和。
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
3. 石墨和鑽石是 ________________________ 元素的兩種不同存在形式。
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