Download Atomic Structure Mini Lab

Atomic Structure Worksheet
Chemistry
Ms. Cole
Purpose:
To understand how the number of protons, neutrons and electrons determine the properties of atoms
Procedure:
Obtain a baggie from your instructor
Baggies contain the following:
White bead
represents a
proton
Purple bead
represents a
neutron
Blue bead
represents an
electron
Count the number of protons, neutrons and electrons and fill out the data table below:
Results
Bag #
# of
protons
# of
neutrons
# of
electrons
Atomic #
Mass #
Charge
Symbol
1
2
3
4
5
6
7
8
9
10
11
12
Conclusions:
1. What are the three main subatomic particles?
2. What is the relationship between protons and atomic number?
3. What is the relationship between protons and neutrons and the mass number?
4. How could you determine the number of neutrons in a carbon-14 atom? How many are there?
5. What is the definition of an isotope? Which of your bags were isotopes?
Name