Cherechedza ndima iri pasi apa uye wozopindura mubvunzo unotevera mumutauro mumwe chete sezvinotaurwa mundima iyi: Passage: Mune zvimwe zviitiko zvechisungo chakawanda pakati pemaatomu maviri, hapana chisungo che net sigma zvachose, zvisungo zve pi chete. Mienzaniso inosanganisira diiron hexacarbonyl (Fe2 ((CO) 6), dicarbon (C2), uye diborane ((2) (B2H2). Mune izvi zvinongedzo zvepakati zvinosanganisira chete chisungo chepi nekuda kwesigma antibond inoperekedza chisungo che sigma pachayo. Izvi zvinongedzo zvakashandiswa semhando dzekuverenga pakuongorora kwechisungo chepi pachayo, zvichiratidza kuti kuitira kuti uwane kukwirana kwakanyanya kwemakona ekufambisa kure kwechisungo kwakapfupika zvakanyanya kupfuura zvaitarisirwa. Mubvunzo: Mhando ipi yekubatanidza iyi modhi yekuverenga yakaongororwa?
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