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2 cards from this section. Quick, good the night before a test.
What is the oxidation number of oxygen in water (H2O)?
Think about the total charge.
In NaCl, what is the oxidation number of sodium?
What charge does sodium typically have?
What does an oxidation number indicate?
Relate it to charge in compounds.
True or False: In a neutral compound, the sum of oxidation numbers is always zero.
Refer to the rules of oxidation numbers.
Assign oxidation numbers to the elements in the compound KMnO4 and explain their significance in a redox reaction.
Use the rules for charges and remember to sum to zero.
Explain why the oxidation number of sulfur in SnO2 can be considered both +4 and +6 when mixed with oxygen.
Think about different bonding scenarios and how they affect oxidation states.
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