

Oxidation Numbers and Neutral Compounds
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Emma Peterson
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the reason copper does not have a fixed oxidation state in CuO?
Copper is a non-metal.
Copper can exist in multiple oxidation states.
Copper is always in a +1 state.
Copper is a noble gas.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the typical oxidation number of oxygen in compounds like CuO?
-1
+2
0
-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a neutral compound, what should the sum of all oxidation numbers equal?
-1
2
0
1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What oxidation number is assigned to copper in CuO to balance the compound?
+2
+1
0
-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is CuO considered a neutral compound?
It has no net charge.
It contains only metals.
It is soluble in water.
It is a gas at room temperature.
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