Ķīmiskie elementi
Actinium (?)
Atomskaitlis: 89 · Ķīmiskais simbols: ?
- Atomskaitlis
- 89
- Ķīmiskais simbols
- ?
- Standarta atommasa
- Nav standarta atommasas
Initial controlled data layer: the IUPAC English element name is retained until native nomenclature is individually verified.