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WorksheetsAtomic Number
Total questions: 13
Worksheet time: 38mins
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.
Which particle has a positive charge?
a)
electron
b)
orbital
c)
proton
d)
neutron
7.
This particle determines what element you have - the elements identity.
a)
electron
b)
proton
c)
neutron
d)
valence shell
8.
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.
9.
The atomic number of Titanium (Ti) is
a)
22
b)
23
c)
20
d)
24
10.
The atomic number of Hydrogen (H) is
a)
1
b)
2
c)
3
d)
4
11.
The atomic number of Lithium (Li) is
a)
3
b)
4
c)
5
d)
6
12.
The atomic number of Nitrogen (N) is
a)
7
b)
6
c)
8
d)
9
13.
The atomic number of Cobalt (Co) is
a)
27
b)
26
c)
25
d)
24
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