Thorium
Thorium ek chemical element hae, jiske chemical symbol Th, atomic number 90 aur aomic mass 232 hae .
Periodic table me ii uu chemical elements ke group me hae jiske Actinoids bolaa jaae hae.
| Atomic Structure | |
|---|---|
| Symbol | Th |
| Atomic Number | 90 |
| Atomic Mass | 232g/mol |
| Periodic Table | |
| Group | 3 |
| Row / Period | 7 |
| Element Category | Transition dhaatu |
| Chhapa | |
 | |
Chhapa ke gallery
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Monazite, a rare-earth-and-thorium-phosphate mineral is the primary source of the world's thorium -
Monazite - tabular crystal, Rostadheia, Iveland, Norway
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