國中自然2下1-2_
Quiz
•
Fun
•
7th - 9th Grade
•
Practice Problem
•
Hard
Tang Da
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1莫耳的氫氣(H2)與1莫耳的臭氧(O3),何者所含的原子數較多?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1公克的氫氣(H2)與1公克的臭氧(O3),何者所含的原子數較多?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
要取得0.05莫耳的個CaCO3分子,必須要秤取多少公克的CaCO3?(Ca=40)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
原子量並非原子的實際質量,而是各原子間質量的比較數值,既然是比較的結果,就必須有標準。試問現在使用比較原子量的標準是什麼?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
取相同數目的甲原子與碳原子做質量的比較,結果質量比為4:3,試問甲的原子量應該為何?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
試問各分子的分子量,下列何者錯誤?(N=14,Ca=40,Cu=63.5,S=32,Na=23)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
關於原子量,下列敘述何者錯誤?
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