
Ch13(13.1-13.2) 從原子到材料 L2
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. 下列哪一項關於原子的敍述是錯誤的?
A. 所有原子都是電中性的。
B. 所有原子都由次原子粒子組成。
C. 同一種元素的原子可能有不同數量的中子。
D. 所有原子都最少有一個質子和一個中子。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A. 只有 (1) 和 (2)
B. 只有 (1) 和 (3)
C. 只有 (2) 和 (3)
D. (1)、(2) 和 (3)
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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