 Discovery Information |
| Who:
Fredrich Soddy
, John Cranston,
Otto Hahn
,
Lise Meitner
|
| When: 1917 |
| Where: England/France |
|
| Name Origin |
| protos (first); its is the parent of actinium, which is formed by radioactive decay. |
|
| Sources |
| Does not occur in nature. Found among fission products of uranium, thorium, and plutonium. |
|
| Uses |
| Because of its scarcity, high radioactivity and toxicity, there are currently no uses for protactinium outside of basic scientific research. |
|
| Notes |
| Protactinium is both toxic and highly radioactive. |
| It is superconductive at temperatures below 1.4 K (-271.74'C). |
