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Invention or discovery · Science and technology
Protactinium
protactinium
1917Date
Kazimierz FajansInventor or discoverer
chemical elementType
Science and technologyField
Facts
- Date
- 1917
- Inventor or discoverer
- Kazimierz Fajans
- Type
- chemical element
- Field
- Science and technology
- Century
- 20th century
- Category
- heavy metal
Sources: Wikidata (CC0) · Wikidata Q1109