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Hafnium - Wikipedia Jump to content

Hafnium

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Wikipedia se
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
Hafnium ke electron shell


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]

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  • Hafnium crystal bar
    Hafnium crystal bar
  • Hafnium turnings
    Hafnium turnings
  • Hafnium oxide
    Hafnium oxide
  1. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named CosterHevesy1923
  2. ↑ "Two Danes Discover New Element, Hafnium – Detect It by Means of Spectrum Analysis of Ore Containing Zirconium", The New York Times, January 20, 1923, p. 4
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