Oxidation Numbers Practice

Flashcard
•
Chemistry
•
KG
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an oxidation number?
Back
An oxidation number is a value that represents the total number of electrons that an atom either gains or loses in a chemical reaction.
2.
FLASHCARD QUESTION
Front
What is the oxidation number of Oxygen (O) in most compounds?
Back
-2
3.
FLASHCARD QUESTION
Front
What is the oxidation number of Hydrogen (H) when bonded to nonmetals?
Back
+1
4.
FLASHCARD QUESTION
Front
What is the oxidation number of Hydrogen (H) when bonded to metals?
Back
-1
5.
FLASHCARD QUESTION
Front
What is the oxidation number of a pure element?
Back
0
6.
FLASHCARD QUESTION
Front
What is the oxidation number of Fe in Fe(NO3)2?
Back
+3
7.
FLASHCARD QUESTION
Front
What is the oxidation number of N in NO3- (nitrate ion)?
Back
+5
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