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

Aiden Montgomery
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the overall charge of a neutral compound like magnesium sulfate?
Depends on the elements
Positive
Negative
Zero
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which group on the periodic table does magnesium belong to?
Group 1
Group 4
Group 2
Group 3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the typical oxidation number for elements in Group 2?
-2
+2
+1
-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What variable is used to represent the unknown oxidation state of sulfur in the equation?
z
s
y
x
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of oxygen in most compounds?
+1
-1
-2
+2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many oxygen atoms are present in magnesium sulfate?
2
3
4
5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying the oxidation number of oxygen by the number of oxygen atoms in MgSO4?
-4
-6
-8
-10
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of sulfur in magnesium sulfate after solving the equation?
+5
+6
+4
+7
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of finding oxidation numbers in compounds like MgSO4?
To predict the compound's melting point
To calculate the compound's mass
To understand the compound's reactivity
To determine the compound's color
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