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WorksheetsIons
Total questions: 23
Worksheet time: 46mins
Name
Class
Date
1.
How many electrons does Oxygen have as a Neutral atom?
a)
8
b)
6
c)
2
d)
10
2.
How many valence electrons does Nitrogen have?
a)
7
b)
2
c)
5
d)
10
3.
What charge would Sulfur have as an ion?
a)
+2
b)
-2
c)
6
d)
16
4.
How would the electrons change as Chlorine becomes an ion?
a)
Gain 1
b)
Lose 1
c)
Gain 7
d)
Lose 7
5.
How many total electrons would Phosphorus have AFTER it becomes an ion?
a)
5
b)
8
c)
15
d)
18
6.
How many valence electrons?
a)
2
b)
3
c)
5
d)
10
7.
Which element?
a)
Boron
b)
Carbon
c)
Nitrogen
d)
Lithium
8.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
9.
An atom with 3 valence electrons "wants" a full shell, so it can either gain 5 or lose 3. Which is more likely to occur?
a)
Gain 5
b)
Lose 3
c)
Nothing
10.
When a neutral atom loses a valence electrons, it loses a negative charge it becomes a ___________________________ ion
a)
positive
b)
negative
11.
Nitrogen will ____ valence electrons when forming an ionic bond.
a)
gain 1
b)
lose 1
c)
gain 3
d)
lose 3
12.
Beryllium will ____ valence electrons when forming an ionic bond.
a)
lose 4
b)
gain 4
c)
lose 2
d)
gain 2
13.
Boron will ____ valence electrons when forming an ionic bond.
a)
lose three
b)
gain three
c)
lose 5
d)
gain 5
14.
If an element has 3 valence electrons, what charge will likely form on its ion ?
a)
+3
b)
+5
c)
-3
d)
-5
15.
Which has incorrect number of valence electrons?
a)
A
b)
B
c)
C
d)
D
16.
What is an ion?
a)
An atom that has lost or gained protons
b)
An atom that has lost or gained neutrons
c)
An atom that has lost or gained electrons
d)
An atom with a charge of zero
17.
Most atoms have no net charge because they have....
a)
an equal number of charged and non-charged particles
b)
neutrons in their nuclei
c)
an equal number of electrons and protons
d)
an equal number of neutrons and protons
18.
How many valence electrons does Lithium have?
a)
1
b)
2
c)
3
d)
4
19.
How many valence electrons does Carbon have?
a)
4
b)
12
c)
6
d)
14
20.
How many valence electrons does Oxygen have?
a)
8
b)
2
c)
16
d)
6
21.
This is a correct dot diagram for neon (Ne)
a)
true
b)
false
22.
This could be the dot diagram of
a)
Mg
b)
Cl
c)
C
d)
O
23.
This is a correct dot diagram for carbon (C)
a)
true
b)
false
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