J2_第2章(下)元素与元素符号
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Medium
W.Y. Tan
Used 59+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
红色区域里的元素特性是。。。。
最活泼的金属
最不活泼的稀有气体
有放射性的元素
活泼性较差的金属
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
红色区域里的元素是。。。。
最活泼的金属
最不活泼的稀有气体
非金属元素
活泼性较差的金属
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
元素周期表有7行,一行为一_________
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
红色区域里的元素是。。。。
最活泼的金属元素
最不活泼的稀有气体
非金属元素
活泼性较差的金属元素
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
元素周期表有1列,一列为一_________
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
同一族中的元素具有..................
有相似的化学性质
有相同的化学性质
有相似的物理性质
有相同德物理性质
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
原子序数表明该元素原子核内的...........
质子数
核电荷数
电子数
中子数
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