page 82. Introduction to the atom
What is an atom and how do we know it? Video explanation. From ancient times to today,
Electrons move around the nucleus.
This is a PPTX by Iván in grade 5 A. Link.
This is a PPTX by Irene in grade 5 B. Link.
Thanks, Iván and Irene, for your excellent works. Share your comments!
Working on.