On: Grand Canyon Museum Had Buckets of Uranium Sitting...

[austincheney]

The remainder of that sentence does not suggest anything about density. But, I will ask your expert opinion: What makes metals toxic and what makes heavy metals more or less toxic than other metals?

[phonypc → austincheney]

"Toxicity is a function of solubility."

First sentence of third paragraph in linked wiki page.

[austincheney → phonypc]

I mentioned that specifically in my original comment.

[phonypc → austincheney]

No, you said that uranium (which you say is toxic because of its density) "has some dissolution capability."

[austincheney → phonypc]

It pleases me you can read. For a second I was about to lose faith in humanity.