Oxidation numbers
Chemistry
9th - 12th Grade
NGSS covered
Used 692+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxidation number of O in its stable elemental form, O2:
0
-1
-2
+2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Oxidation number of O in the compound H2O2:
0
-1
-2
+2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxidation number of O in the compound H2O:
0
-1
-2
+2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxidation number of O in the ion H3O+:
0
-1
-2
+2
Tags
NGSS.HS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxidation number of Fe in its elemental form:
0
-2
+2
+3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxidation number of Fe in FeO:
0
-2
+2
+3
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Oxidation number of Fe in Fe2O3:
0
-2
+2
+3
Tags
NGSS.HS-PS1-1
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