The Periodic Table
https://dptv.pbslearningmedia.org/resource/phy03.sci.phys.matter.ptable/periodic-table-of-the-elements/?#.WlYntq5KuUk
https://ed.ted.com/periodic-videos
Your email address will not be published. Required fields are marked *
Comment *
Name *
Email *
Website
Save my name, email, and website in this browser for the next time I comment.
Δ
Leave a Reply