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Questions and Answers
What is the sum of the oxidation numbers for SO4^2-?
What is the sum of the oxidation numbers for SO4^2-?
- 0
- 2
- -8
- -2 (correct)
What is the oxidation number of any free element?
What is the oxidation number of any free element?
- Always -1
- Always +1
- Varies depending on the element
- Always 0 (correct)
What is the oxidation number of a monatomic ion?
What is the oxidation number of a monatomic ion?
- Varies depending on the element
- Equal to the charge of the ion (correct)
- Always 1
- Always 0
What is the expected oxidation number of hydrogen?
What is the expected oxidation number of hydrogen?
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In a chemical formula, which comes first, cation or anion?
In a chemical formula, which comes first, cation or anion?
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What is the sum of the oxidation numbers for SO4^2-?
What is the sum of the oxidation numbers for SO4^2-?
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What is the oxidation number of any free element?
What is the oxidation number of any free element?
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What is the expected oxidation number of hydrogen?
What is the expected oxidation number of hydrogen?
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In the case of a monatomic ion, what is the oxidation number?
In the case of a monatomic ion, what is the oxidation number?
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What does electrochemistry study the connection between?
What does electrochemistry study the connection between?
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