
初二科学下册第一章
Authored by jia ying
Science
2nd Grade
13 Questions
Used 1K+ times

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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列由原子直接构成的是
氧气
碳
氯化钠
氧化纳
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列微粒中,能保持物质化学性质的是
电子
质子
中子
分子
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列物体的体积由小到大排序正确的是
原子核,质子,电子
电子,原子核,原子
质子,原子核,中子
原子,原子核,质子
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
金属铜是
原子
离子
分子
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
干冰 (固体二氧化碳)
原子
离子
分子
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
氯化钠晶体
原子
离子
分子
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水蒸气
原子
离子
分子
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