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WorksheetsActivity No. 5
Total questions: 10
Worksheet time: 2mins
Name
Class
Date
1.
The atomic number of an element magnesium is ___
a)
12
b)
24
c)
21
d)
42
2.
The atomic mass of an element magnesium is ___
a)
12
b)
24
c)
21
d)
42
3.
How many protons does the atom of an element magnesium have?
a)
12
b)
24
c)
21
d)
42
4.
How many electrons does an element magnesium have?
a)
12
b)
24
c)
21
d)
42
5.
How many neutrons are there in an element magnesium?
a)
12
b)
24
c)
21
d)
42
6.
The atomic number of an element zinc is ___
a)
30
b)
35
c)
65
d)
5
7.
The atomic mass of an element zinc is ___
a)
30
b)
35
c)
65
d)
5
8.
How many protons does an element zinc have?
a)
30
b)
35
c)
65
d)
5
9.
How many electrons does an element zinc have?
a)
30
b)
35
c)
65
d)
5
10.
How many neutrons are there in an element zinc?
a)
30
b)
35
c)
65
d)
5
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