初二化学-1
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Medium
Sonnie Wong
Used 60+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
原子的体积大小取决于下列何者?
电子
电子的运转空间
原子核
质子
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
钠与氯气发生化学反应时,下列哪一项是正确的?
钠离子和钠原子的质量有明显的差异。
钠得到质子而使钠离子带正电
氯化钠是由原子构成
氯化钠呈电中性
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
下列原子团中,何者的带电性与其他三种不同。
氢氧根离子
碳酸根离子
铵根离子
碳酸氢根离子
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
原子序数主要以何者数量作为标准?
电子数
质子数
中子数
原子数
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
第一位发表元素周期表的化学家是?
们捷列姆
门捷列夫
门街列歌
门解猎民
6.
FILL IN THE BLANK QUESTION
1 min • 5 pts
含有两种或两种以上主要营养元素的化肥称为_______。
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
小明发现菜园里的菜叶呈暗绿色且长得矮小、叶色发黄、请问他应该施加哪一种肥料最合适呢?
氯酸钾
碳酸氢铵
氯化钾
磷酸钾
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