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WorksheetsOxidation numbers
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
How many valence electrons do elements in Group 15 have?
a)
15
b)
5
c)
4
2.
How many electrons are required to fill the outer shell for elements in Group 15
a)
15
b)
3
c)
5
3.
How many valence electrons do elements in Group 13 have?
a)
13
b)
5
c)
3
4.
How many valence electrons do elements in Group 1 have?
a)
7
b)
10
c)
1
5.
How many valence electrons are required to fill the outer shell for elements in Group 17?
a)
17
b)
1
c)
7
6.
How many valence electrons do most elements in Group 18 have?
a)
18
b)
8
c)
2
7.
What is the charge, or oxidation number, for elements in Group 17?
a)
+ 1
b)
-7
c)
-1
8.
What is the charge, or oxidation number, for elements in Group 2?
a)
-2
b)
+2
c)
-3
9.
What is the charge, or oxidation number, for elements in Group 13?
a)
+ 3
b)
-5
c)
+13
10.
What is the charge, or oxidation number, for elements in Group 14?
a)
14
b)
+4/-4
c)
-16
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