WorksheetsAtomic Number
Total questions: 20
Worksheet time: 3hrs 10mins
Name
Class
Date
1.
What is the atomic number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
2.
What is the atomic number of this nucleus?
a)
1
b)
3
c)
4
d)
7
3.
What is the atomic number of this atom?
a)
4
b)
5
c)
9
d)
none of the above
4.
What is the atomic number of this atom?
a)
9
b)
10
c)
19
d)
27
5.
What is the atomic number of this atom?
a)
2
b)
4
c)
6
d)
none of the above
6.
What is the atomic number of this atom?
a)
1
b)
2
c)
3
d)
4
7.
What is the atomic number of this atom?
a)
7
b)
14
c)
21
d)
none of the above
8.
What is the atomic number of this atom?
a)
8
b)
16
c)
24
d)
none of the above
9.
Which particle has a positive charge?
a)
electron
b)
orbital
c)
proton
d)
neutron
10.
This particle determines what element you have - the elements identity or "personality"?
a)
electron
b)
proton
c)
neutron
d)
valence shell
11.
The atomic number tells you what?
a)
number of electrons
b)
number of protons
c)
number of neutrons
d)
both electrons and protons in an atom.
12.
Which particle has a positive charge?
a)
electron
b)
orbital
c)
proton
d)
neutron
13.
The atomic number of Titanium is
a)
22
b)
23
c)
20
d)
24
14.
The atomic number of Hydrogen is
a)
1
b)
2
c)
3
d)
4
15.
The atomic number of Lithium is
a)
3
b)
4
c)
5
d)
6
16.
The atomic number of Titanium is
a)
22
b)
23
c)
20
d)
24
17.
The atomic number of Nitrogen
a)
7
b)
6
c)
8
d)
9
18.
The atomic number of Cobalt is
a)
27
b)
26
c)
25
d)
24
19.
What is the atomic number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
20.
What is the atomic number of this nucleus?
a)
1
b)
3
c)
4
d)
7
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