What is the primary purpose of oxidation numbers in chemical reactions?

Understanding Oxidation States in Chemistry

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

Olivia Brooks
FREE Resource
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6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To determine the physical state of a compound
To identify the color of a compound
To track electron transfer in reactions
To measure the temperature of a reaction
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which rule is commonly used to assign oxidation numbers to elements in a compound?
The sum of oxidation numbers in a neutral compound is zero
The sum of oxidation numbers in a compound is always positive
The element with the highest atomic number gets a negative oxidation state
The element with the lowest atomic number gets a positive oxidation state
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the typical oxidation state of magnesium in its compounds?
0
+2
+1
-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which group of the periodic table is magnesium found?
Group 4
Group 3
Group 2
Group 1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to verify oxidation numbers in chemical equations?
To identify the physical state of products
To determine the color of the reactants
To ensure the equation is balanced
To predict the temperature change
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of oxygen in most compounds?
+2
-2
0
+1
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