
1130930野保二課後測驗
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项是强酸的特徵?
以下哪项是强酸的特徵?
它们在水中不解离
它们是弱电解质
它们只产生氢气
它们在水中完全解离
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
何種化合物在固體時不導電,溶於水或熔融狀態會導電,熔點高,不具延展性,硬度大、易破碎。
金屬化合物
分子化合物
離子化合物
有機化合物
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
科學家發現自然界的物質當原子與原子互相結合時, 它們外層的電子通常會形成像惰性氣體(鈍氣)的排列方式稱為什麼法則?
六隅體法則
八隅體法則
十隅體法則
十二隅體法則
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列化合物何者是分子式?
NaCl
H2SO4
MgO
CaCl2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
失去電子而帶正電荷的原子或原子團稱為?
負離子
正離子
負原子
正原子
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项是弱酸?
醋酸 (CH3COOH)
鹽酸 (HCl)
硝酸 (HNO3)
硫酸 (H2SO4)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列物質何者通常不是以實驗式表示?
SiC
CaO
O2
SiO2
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