Ķīmiskie elementi
Protactinium (?)
Atomskaitlis: 91 · Ķīmiskais simbols: ?
- Atomskaitlis
- 91
- Ķīmiskais simbols
- ?
- Standarta atommasa
- 231.03588(1)
Initial controlled data layer: the IUPAC English element name is retained until native nomenclature is individually verified.