

Oxidation Numbers and Compound Neutrality
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Liam Anderson
FREE Resource
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of the compound Cr2S2?
Neutral
Positive
Negative
Variable
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element is more electronegative in Cr2S2?
Chromium
Cannot be determined
Sulfur
Both are equal
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of sulfur in Cr2S2?
0
-2
+2
-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do the oxidation numbers of sulfur contribute to the neutrality of Cr2S2?
They add up to a negative charge
They do not affect the neutrality
They add up to a positive charge
They cancel out with chromium's positive charge
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of chromium in Cr2S2?
+1
+2
0
+3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to know the oxidation numbers in a compound?
To find the compound's melting point
To calculate the compound's mass
To predict the compound's reactivity
To determine the compound's color
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total oxidation number for all elements in a neutral compound?
It is always positive
It varies
It is zero
It is always negative
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