
Oxidation Numbers and Reactions
Interactive Video
•
Chemistry, Science
•
8th - 12th Grade
•
Hard

Jackson Turner
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number (nox) related to?
The number of protons in an atom
The electric charge of an atom in a bond
The atomic mass of an element
The number of neutrons in an atom
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many electrons does oxygen need to gain to achieve a stable configuration?
One
Four
Two
Three
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of hydrogen when it shares an electron?
+2
0
-1
+1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In water (H2O), what is the oxidation number of oxygen?
-1
+2
+1
-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of nitrogen in nitric acid (HNO3)?
+3
+4
+5
+6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens during oxidation?
Sharing of electrons
No change in electrons
Gain of electrons
Loss of electrons
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of a simple substance?
Depends on the element
Always 0
Always -1
Always +1
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