What is an oxidation number?
Oxidation Numbers
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Science
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9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The oxidation number is a value that represents the total number of electrons an atom either gains or loses when it forms a chemical bond.
2.
FLASHCARD QUESTION
Front
What is the oxidation number of oxygen in most compounds?
Back
-2
3.
FLASHCARD QUESTION
Front
What is the oxidation number of hydrogen in most compounds?
Back
+1
4.
FLASHCARD QUESTION
Front
What is the oxidation number of an element in its elemental form?
Back
0
5.
FLASHCARD QUESTION
Front
How do you determine the oxidation number of an element in a compound?
Back
By using the known oxidation states of other elements in the compound and the overall charge of the compound.
6.
FLASHCARD QUESTION
Front
What is the oxidation number of Fe in FeO?
Back
+2
7.
FLASHCARD QUESTION
Front
What is the oxidation number of Fe in Fe2O3?
Back
+3
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