
Oxidation States and Copper Compounds
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard

Amelia Wright
FREE Resource
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the overall charge of copper(I) sulfate?
Negative
Variable
Positive
Neutral
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can copper have different oxidation states?
It is a non-metal
It has a fixed oxidation state
It is a transition metal
It is always bonded to oxygen
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the ionic charge of the sulfate ion?
2+
1-
2-
1+
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do oxidation numbers relate to the charge on an ion?
They are always equal
They are unrelated
They add up to the charge on the ion
They are always zero
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must the oxidation number of copper be in Cu2SO4 to balance the sulfate ion?
-1
+2
0
+1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many copper atoms are present in Cu2SO4?
1
2
3
4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of each copper atom in Cu2SO4?
0
+1
-1
+2
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where can you find more information about the oxidation number of sulfur in the sulfate ion?
In the video comments
In the video description
In the periodic table
In the textbook
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