WorksheetsIon Practice
Total questions: 22
Worksheet time: 22mins
Name
Class
Date
1.
A charged particle that has gained or lost electrons is called a(n) _____.
a)
molecule
b)
ion
c)
isotope
d)
element
2.
A cation is a ____ ion.
a)
negative
b)
positive
c)
neutral
d)
heavy
3.
An anion will be a ____ ion.
a)
negative
b)
positive
c)
neutral
d)
ficticious
4.
Nitrogen will form which of the following ions?
a)
N
b)
N-3
c)
N-5
d)
N+5
5.
Beryllium will ____ valence electrons when forming an ionic bond.
a)
lose 4
b)
gain 4
c)
lose 2
d)
gain 2
6.
Which following ions is an anion?
a)
K+
b)
S2-
c)
Mg2+
d)
Ca2+
7.
Which following ions is a cation?
a)
K+
b)
S2-
c)
O2-
d)
C4-
8.
Phosphorus will ____ valence electrons when forming an ionic bond.
a)
gain 5
b)
lose 5
c)
gain 3
d)
lose 3
9.
Which of the following would produce an anion?
a)
Ca
b)
Al
c)
K
d)
F
10.
Which is most likely to form a negative ion?
a)
an element from group 17
b)
a metal
c)
an element from group 1
d)
an element with atoms that have eight valence electrons
11.
When an atom loses a valence electron, it becomes a(n) _____________ ion.
a)
positive
b)
negative
c)
neutral
d)
polyatomic
12.
What charge will an Oxygen ion have?
a)
+1
b)
-1
c)
+2
d)
-2
13.
If an element has 3 valence electrons, what charge will likely form on its ion ?
a)
+3
b)
+5
c)
-3
d)
-5
14.
Magnesium's ion is:
a)
Mg+
b)
Mg2+
c)
Mg-
d)
Mg2-
15.
How many valence electrons does a bromine atom have?
a)
1
b)
2
c)
6
d)
7
16.
How many electrons are needed in the outer energy levels of an atom to be stable?
a)
2
b)
4
c)
6
d)
8
17.
How many electrons does chlorine need to gain in order to have a full outer shell?
a)
7
b)
0
c)
1
d)
8
18.
Nitrogen will ____ valence electrons when forming an ionic bond.
a)
gain 1
b)
lose 1
c)
gain 3
d)
lose 3
19.
Group 17 always has ions with a charge of
a)
+1
b)
+2
c)
-1
d)
-2
20.
Cations are _______ that form ____________ ions after atoms __________ electrons.
a)
nonmetals, positive, lose
b)
nonmetals, negative, gain
c)
metals, positive, gain
d)
metals, positive, lose
21.
Anions are _______ that form ____________ ions after atoms __________ electrons.
a)
nonmetals, positive, lose
b)
nonmetals, negative, gain
c)
metals, positive, gain
d)
metals, positive, lose
22.
If an element has 6 valence electrons, what charge will likely form on its ion ?
a)
+6
b)
+2
c)
-2
d)
-6
100 %
