WorksheetsModule 11: Introduction to Atoms
Total questions: 20
Worksheet time: 10mins
Which model matches with Bohr?
Which model matches with Thomson?
Which model matches up with Aristotle?
What model matches with Rutherford?
The particle with no charge that is located in the nucleus.
Electrons
Neutrons
Protons
The particle with a positive charge that is located in the nucleus.
Electrons
Neutrons
Protons
The particle with a negative charge that is located outside of the nucleus.
Protons
Electrons
Neutrons
Particles that have an electric charge.
isotopes
cations
ions
This type of ion has a negative charge.
Cation
ion
Anion
This type of ion has a positive charge.
cation
isotope
anion
Atoms that have the same number of protons, but a
different number of neutrons.
isotopes
ions
cations
Protons and neutrons have a mass of 1 amu while electrons have a mass of ____ amu.
2
1
0
Protons are represented by the symbol _____.
P+
Pt
Pr
What is the mass number of Carbon - 17?
12
17
6
How many electrons does Sulfur (S) have?
32
48
16
Neutrons are represented by the symbol _____.
n+
n
n-
Boron (B) has an atomic number of ____.
5
15
10
Electrons are represented by the symbol _____.
e
el
e-
The nucleus has an overall charge that is __________.
Negative
Positive
Neutral
Which element has an atomic number of 50?
Lead
Antimony
Tin
