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Understanding Oxidation Numbers and Sulfur

Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard

Amelia Wright
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Balancing chemical equations
Learning about ionic bonds
Finding the oxidation number for sulfur in S2O3 2-
Understanding molecular geometry
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge on the thiosulfate ion?
+2
-2
0
-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the oxidation number of oxygen typically represented?
0
+1
-2
-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What equation is set up to find the oxidation number of sulfur in S2O3 2-?
2x + 3(-1) = -2
x + 3(-2) = 0
x + 2(-2) = -2
2x + 3(-2) = -2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the calculated oxidation number for each sulfur atom in the thiosulfate ion?
-1
+1
-2
+2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does the average oxidation number not accurately represent the oxidation state of each sulfur atom?
Because sulfur atoms have different charges
Because sulfur atoms are not bonded to oxygen
Because sulfur atoms have different masses
Because sulfur atoms are in different chemical environments
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is unique about the sulfur atoms in the thiosulfate ion structure?
They are both bonded to the same number of oxygens
One is bonded to oxygens, the other is not
They have the same oxidation number
They are both negatively charged
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