Changes

[http://study.com/academy/lesson/what-is-an-atom-definition-examples.html Video about atoms]<br>

[http://study.com/academy/lesson/what-is-an-atom-definition-examples.html Video about atoms]<br>

A TED-Ed video on that helps students explore and visualize an atom and its constituent particles

A TED-Ed video on that helps students explore and visualize an atom and its constituent particles

 

{{#widget:YouTube|id=yQP4UJhNn0I}}

[https://www.youtube.com/watch?time_continue=33&v=yQP4UJhNn0I Just how small is an atom?]

==Reference Books==

==Reference Books==