Hafnium
Hafnium ek chemical element hae, jiske chemical symbol Hf, atomic number 72 aur atomic mass 178.49 hae. II ek badalte dhaatu hae. 1869 me Dmitri Mendeleev batais rahaa ki ii element hae lekin iske khaali 1922, me Dirk Coster aurGeorge de Hevesypaae rahin[1][2]
| Atomic Structure | |
|---|---|
| Symbol | Hf |
| Atomic Number | 72 |
| Atomic Mass | 178.49 g/mol |
| Periodic Table | |
| Group | 4 |
| Row / Period | 6 |
| Element Category | Transition dhaatu |
| Chhapa | |
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Chhapa ke gallery
badlo-
Hafnium crystal bar -
Hafnium turnings -
Hafnium oxide
_oxide.jpg)
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