Assigning Oxidation States
Authored by Lisa Thompson
Science
9th Grade
NGSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The oxidation number of fluorine in a compound is always ___
+1
+2
-2
-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The oxidation number of any uncombined element is ___
0
+1
-1
+2
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
The oxidation state of hydrogen in most of its compounds is +1 unless it is combined with a metal, in which case it is (a)
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the oxidation state of each element in the following anion: PO43-
P:4+ O:2-
P:5+ O:2-
P:5+ O:2+
P:5+ O:1-
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Determine the oxidation number of the following element: Lithium (Li)
(a)
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Determine the oxidation number of the following element: Strontium (Sr)
(a)
Tags
NGSS.HS-PS1-1
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Determine the oxidation number of the following element: Chlorine (Cl)
(a)
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