Home Tutorials 4: Subatomic Particles

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4.1a Conceptual and Physical Models

External Link: http://bcove.me/8d9bu9e8

SUMMARY

Physical models replicate an object on a different scale, while conceptual models describes the behavior of a system. How these models apply to atoms is discussed. Note: The videos listed here are compiled from Chapters 5 and 3 of an earlier edition of the textbook. They all relate, however, to the content of Chapter 4 of the fourth and fifth editions. Duration: 7:52.

 

VIDEO CHECK QUESTIONS

1. Why can't we see atoms with an optical microscope?
2. What does a conceptual model describe?
3. What is the importance of developing a good conceptual model of an atom?

To optimize your learning, try answering the above video check questions on your own before scrolling down to view the author's answers.





1. Why can't we see atoms with an optical microscope?
[Because they are smaller than the wavelength of light.]
2. What does a conceptual model describe?
[The behavior of a system.]
3. What is the importance of developing a good conceptual model of an atom?
[It helps give chemists a handle on how atoms behave so they can predict and control what atoms do.]