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WorksheetsValency
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
What charge does a potassium (K) ion have?
a)
+1
b)
-1
c)
+2
d)
-2
2.
Name that Ion
Li+
Li+
a)
copper (III)
b)
lithium
c)
ladmium
d)
iodine
3.
Outer shell electrons are called
a)
outer electrons
b)
valence electrons
c)
negatives
4.
The electrons involved in chemical bonds are called ___________ electrons.
a)
valence
b)
ionic
c)
Van Der Waals
d)
covalent
5.
What is a valence electron?
a)
Electrons in the first energy shell
b)
Electrons in the second energy shell
c)
Electrons in the outer shell
d)
Total number of electrons
6.
The innermost energy level has a maximum of how many electrons?
a)
1
b)
2
c)
6
d)
8
7.
How many valence electrons?
a)
2
b)
3
c)
4
d)
5
8.
How many valence electrons?
a)
2
b)
3
c)
4
d)
5
9.
What is a valence electron?
a)
Electrons in the first energy shell
b)
Electrons in the second energy shell
c)
Electrons in the outer shell
d)
Total number of electrons
10.
How many valence electrons?
a)
2
b)
4
c)
6
d)
8
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