actinium (Q292)
From geokb
Rare earth (actinide series) element with symbol Ac and atomic number 89 <http://periodic.lanl.gov/89.shtml>
- Ac
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | actinium |
Rare earth (actinide series) element with symbol Ac and atomic number 89 <http://periodic.lanl.gov/89.shtml> |
|
