
南一國中自然8上ch6-4
Quiz
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Science
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8th Grade
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Practice Problem
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Medium
南一 自然
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
下列哪一項敘述不是「道耳吞原子說」的內容?
不同元素的原子,其形狀不同
相同元素的原子,其質量均相同
化合物是由不同種類的原子以固定的比例組成的
化學反應是原子間以新的方式重新結合成另一種物質
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
原子的體積主要由下列何者決定?
原子核直徑
電子運行的空間
電子的大小
中子和質子的體積
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
組成原子的三種基本微粒是電子、質子和中子,若某中性原子原子核含X個質子和Y個中子,核外軌道含Z個電子,則下列何者對任何元素皆正確?
X=Y
Y=Z
X=Z
X=Y=Z
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
下列哪一個粒子的數目可決定元素的性質?
質子數
電子數
中子數
質子和中子的總合
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
將NaHCO3加熱分解,依據道耳頓的原子說,其生成物不可能是下列哪一種?
Na2CO3
NaCl
H2O
CO2
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
關於道耳吞原子說的敘述,何者錯誤?
原子主要由電子、質子和中子三種基本粒子所構成
同一元素的原子性質相同
不同元素的原子能以簡單整數比例結合成化合物
化學反應後,原子會重新排列
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
下列關於原子結構的敘述,何者正確?
一個質子的質量與一個電子的質量相等
原子核內中子數必等於質子數,原子才能保持電中性
原子核中的中子數是判斷原子種類的重要依據
原子核內質子數不同的二個原子,其原子性質不同
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