Kutztown University of Pennsylvania Atomic Theory Worksheet

Worksheet 1.1 Intro to Atomic Theory Homework
Name:
READ PAGES 8-28 IN THE TEXTBOOK BEFORE ANSWERING THESE QUESTIONS.
1. What is a scientific theory and how does it differ from a Law?
2. What is the difference between an atom, a molecule, a compound, and an element? Provide examples
if needed to help you explain the differences.
Worksheet 1.1 Intro to Atomic Theory Homework
Name:
3. List the principles of Dalton’s atomic theory.
4. After reading pages 6-26, fill in the table below.
Scientist
J. J. Thompson
(Plum pudding)
Ernest Rutherford
(Planetary)
Name of
Experiment
Experimental
evidence gathered
How experimental evidence contributed
to their model of the atom
Draw a picture of their version
of the atomic model
Worksheet 1.1 Intro to Atomic Theory Homework
Name:
5. Why do you think we use models (either physical or mental) in chemistry?
6. Is one model more correct than another?