H.W1-OXIDATION NUMBER
Quiz
•
Chemistry
•
10th Grade
•
Medium
Soha Nafaa
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Oxidation number of Fe in Fe2+ ion:
0
-2
+2
+3
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which element has the same oxidation number in all of its compounds?
oxygen
fluorine
hydrogen
chlorine
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Oxidation number of S in S8
0
+2
-4
+6
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Element that only has a stable oxidation number of +1:
Na
Cl
Ca
Al
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the oxidation number of an atom of nitrogen in the compound N2?
0
+3
-3
-6
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the oxidation number of phosphorus in H3PO4?
+1
+4
+5
+8
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the oxidation number of Fe in FeO?
+1
-1
+2
-2
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