
化学符号
Authored by 1188 KIE
Science
9th Grade
Used 28+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
用化学符号表示 “2个氢原子”
2H
2O
2H+
2OH-
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
用化学符号表示 “2个氢离子”
2H
2O
2H+
2OH-
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
用化学符号表示 “2个氢氧根离子”
2H
2O
2H+
2OH-
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
用化学符号表示 “1个氢分子”
H2
2H
H+
OH-
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
用化学符号表示 “2个氧分子”
O2
2O2
2O2-
2O
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
用化学符号表示 “金属钠”
Na
Ne
N
So
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
用化学符号表示 “3个钠离子”
Na
2Na2
3Na+
3Na
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