Uranium, Radium and Radon Worksheet
Name:	 Date:
Use a periodic table to complete the following table and determine the number of protons, electrons
and neutrons.
Element
Symbol
Atomic
Number
Atomic
Mass
Atomic Structure
Group/Family and Properties
Uranium



Protons: Electrons:
Neutrons:

Radium



Protons: Electrons:
Neutrons:

Radon



Protons: Electrons:
Neutrons:

1.	How are we exposed to these elements?
Natural (background) sources:
Man-made sources:
2.	What is the connection between the elements in the table above?
3. Explain how the elements' atomic structures relate to their radioactive properties.
4. Why is exposure to these elements a concern?
f/EPA
United States RadTown Uranium Activity Set	EPA 402-B-19-071
Environmental Protection , .. 			
Agency	https://www.EPA.gov/RadTown/Activity-l-Uranium-Radium-and-Radon

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