Roentgenium: ke revisions ke biich ke antar
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WikitanvirBot (Baat | yogdaan) m r2.7.1) (robot jorrta hae: simple:Roentgenium |
Khatta Paani (Baat | yogdaan) No edit summary |
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Rekha 29:
'''Roentgenium''' ek [[chemical element]] hae, jiske chemical symbol '''Rg''', [[atomic number]] 111 aur atomic mass 281 hae.
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