Promethium
Promethium ek chemical element hae, jiske Chemical symbol Pm, atomic number 61 aur atomic mass 145 hae. Ii Lanthanide group ke ek member hae.
| Atomic Structure | |
|---|---|
| Symbol | Nd |
| Atomic Number | 60 |
| Atomic Mass | 144.24 g/mol |
| Periodic Table | |
| Group | 3 |
| Row / Period | 6 |
| Element Category | Transition dhaatu |
| Chhapa | |
 | |
Chhapa ke gallery
- Promethium ke light source ke rakam kaam me law jaae haePromethium ke light source ke rakam kaam me law jaae hae
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