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WorksheetsIons (easy)
Total questions: 10
Worksheet time: 20mins
Name
Class
Date
1.
How many protons does lithium (Li) have?
a)
1
b)
2
c)
3
d)
4
2.
How many electrons does C− have?
a)
7
b)
6
c)
5
d)
4
3.
Which of these is a carbon (C) ion?
a)
C−
b)
C+
c)
C2−
d)
C2+
4.
How many protons in O2− ?
a)
6
b)
7
c)
8
d)
9
5.
How many electrons in O2− ?
a)
7
b)
8
c)
9
d)
10
6.
How many electrons in K+ ?
a)
16
b)
17
c)
18
d)
19
7.
Which of these is an ion?
a)
Fe−
b)
O2
c)
CO2
d)
Rb+
8.
Which of these has 15 electrons?
a)
P−
b)
Al2−
c)
P
d)
S+
9.
How many electrons does H+ have?
a)
0
b)
1
c)
2
d)
3
10.
An ion has.....
a)
more protons.
b)
more neutrons.
c)
more electrons.
d)
more or less electrons.
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