Discussion Topic
**Please note: While government websites are generally considered reliable sources, this particular website:https://www.usgs.gov/media/images/water-molecules-and-their-interaction-salt#:~:text=When%20salt%20is%20mixed%20with has outdated information on this topic so should not be used as a resource.
Choose one of the following and discuss:
- Atoms are assumed to touch in closest packed structures, yet every closest packed unit cell contains a significant amount of empty space. Why?