Practise 20.3 小測試20.3
9th Grade
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Practise 20.3 小測試20.3
Quiz
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Chemistry
•
9th Grade
•
Practice Problem
•
Hard
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6 questions
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1.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Work out the oxidation number of the underlined element in each of the following chemical species.
計算下列每個化學物種中畫有底線的元素的氧化數。
SO2
2.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Work out the oxidation number of the underlined element in each of the following chemical species.
計算下列每個化學物種中畫有底線的元素的氧化數。
KHSO4
3.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Work out the oxidation number of the underlined element in each of the following chemical species.
計算下列每個化學物種中畫有底線的元素的氧化數。
O2F2
4.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Work out the oxidation number of the underlined element in each of the following chemical species.
計算下列每個化學物種中畫有底線的元素的氧化數。
Na3PO4
5.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Work out the oxidation number of the underlined element in each of the following chemical species.
計算下列每個化學物種中畫有底線的元素的氧化數。
MnO4-
6.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Work out the oxidation number of the underlined element in each of the following chemical species.
計算下列每個化學物種中畫有底線的元素的氧化數。
[CuCl4]2-
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