Ķīmiskie elementi
Lanthanum (?)
Atomskaitlis: 57 · Ķīmiskais simbols: ?
- Atomskaitlis
- 57
- Ķīmiskais simbols
- ?
- Standarta atommasa
- 138.90547(7)
Initial controlled data layer: the IUPAC English element name is retained until native nomenclature is individually verified.