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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?
In a chemical formula, which comes first, cation or anion?
In a chemical formula, which comes first, cation or anion?
What is the sum of the oxidation numbers for SO4^2-?
What is the sum of the oxidation numbers for SO4^2-?
What is the oxidation number of any free element?
What is the oxidation number of any free element?
What is the expected oxidation number of hydrogen?
What is the expected oxidation number of hydrogen?
In the case of a monatomic ion, what is the oxidation number?
In the case of a monatomic ion, what is the oxidation number?
What does electrochemistry study the connection between?
What does electrochemistry study the connection between?