Osmium: ke revisions ke biich ke antar
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Rekha 30:
[[File:Osmium 1.jpg|thumb|right|A small ball of osmium]]
'''Osmium''' ek [[chemistry|chemical]] element hae jiske symbol ''Os'', atomic number 76 aur mass number 190.23 hae.
Duniya me bahut kamti Osmium hae, aur ii kaaran se ii bahut mahangaa hae.
Osmium ek [[metal]], lekin ii kamti react kare aur ii kaaran se iske "[[noble metal]]" bola jaawe hae.
Iske 1804 me [[Smithson Tennant]] London, England me paais rahaa. Osmium ke [[Iridium]] aur [[Platinum]] ke saathe paawa jjawe hae.
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{{Periodic Table}}
[[Category:Chemical elements]]
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