תוריום
Hebrew edit
| Chemical element | |
|---|---|
| Th | |
| Previous: אקטיניום (Ac) | |
| Next: פרוטקטיניום (Pa) | |
Pronunciation edit
Audio (file)
Noun edit
תּוֹרְיוּם • (tóryum) m
- thorium (a chemical element (symbol Th) with atomic number 90: a weakly radioactive, malleable, moderately hard silvery metal that tarnishes black when exposed to air)